Index: Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaterLevelCalculationsForNormTargetProbabilitiesGroupContextTreeNodeInfoTest.cs
===================================================================
diff -u -rd8bcb9865f0953ec34cbea4c4a1334d9f1a1f31d -r6492aa58a4d485a9c87d80b7529e1d36b5fd61b0
--- Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaterLevelCalculationsForNormTargetProbabilitiesGroupContextTreeNodeInfoTest.cs	(.../WaterLevelCalculationsForNormTargetProbabilitiesGroupContextTreeNodeInfoTest.cs)	(revision d8bcb9865f0953ec34cbea4c4a1334d9f1a1f31d)
+++ Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaterLevelCalculationsForNormTargetProbabilitiesGroupContextTreeNodeInfoTest.cs	(.../WaterLevelCalculationsForNormTargetProbabilitiesGroupContextTreeNodeInfoTest.cs)	(revision 6492aa58a4d485a9c87d80b7529e1d36b5fd61b0)
@@ -434,9 +434,7 @@
             var mockRepository = new MockRepository();
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
Index: Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaterLevelCalculationsForNormTargetProbabilityContextTreeNodeInfoTest.cs
===================================================================
diff -u -ra4bb32d891f5f1603dca7d0cf1db831bdec0471d -r6492aa58a4d485a9c87d80b7529e1d36b5fd61b0
--- Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaterLevelCalculationsForNormTargetProbabilityContextTreeNodeInfoTest.cs	(.../WaterLevelCalculationsForNormTargetProbabilityContextTreeNodeInfoTest.cs)	(revision a4bb32d891f5f1603dca7d0cf1db831bdec0471d)
+++ Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaterLevelCalculationsForNormTargetProbabilityContextTreeNodeInfoTest.cs	(.../WaterLevelCalculationsForNormTargetProbabilityContextTreeNodeInfoTest.cs)	(revision 6492aa58a4d485a9c87d80b7529e1d36b5fd61b0)
@@ -49,6 +49,7 @@
 using Riskeer.HydraRing.Calculation.Data.Input.Hydraulics;
 using Riskeer.HydraRing.Calculation.TestUtil.Calculator;
 using Riskeer.Integration.Data;
+using Riskeer.Integration.TestUtil;
 using RiskeerCommonFormsResources = Riskeer.Common.Forms.Properties.Resources;
 
 namespace Riskeer.Integration.Plugin.Test.TreeNodeInfos
@@ -160,9 +161,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(menuBuilder);
                 mockRepository.ReplayAll();
@@ -194,9 +193,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(menuBuilder);
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -244,9 +241,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -286,9 +281,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -335,9 +328,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -392,9 +383,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -445,9 +434,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -500,10 +487,8 @@
             {
                 IMainWindow mainWindow = MainWindowTestHelper.CreateMainWindowStub(mockRepository);
 
-                var gui = mockRepository.Stub<IGui>();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(g => g.MainWindow).Return(mainWindow);
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
                 gui.Stub(cmp => cmp.Get(context, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(g => g.ProjectStore).Return(mockRepository.Stub<IStoreProject>());
 
@@ -585,10 +570,8 @@
             {
                 IMainWindow mainWindow = MainWindowTestHelper.CreateMainWindowStub(mockRepository);
 
-                var gui = mockRepository.Stub<IGui>();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(g => g.MainWindow).Return(mainWindow);
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
                 gui.Stub(cmp => cmp.Get(context, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(g => g.ProjectStore).Return(mockRepository.Stub<IStoreProject>());
 
@@ -669,10 +652,8 @@
             {
                 IMainWindow mainWindow = MainWindowTestHelper.CreateMainWindowStub(mockRepository);
 
-                var gui = mockRepository.Stub<IGui>();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(g => g.MainWindow).Return(mainWindow);
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
                 gui.Stub(cmp => cmp.Get(context, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(g => g.ProjectStore).Return(mockRepository.Stub<IStoreProject>());
 
@@ -746,10 +727,8 @@
             {
                 IMainWindow mainWindow = MainWindowTestHelper.CreateMainWindowStub(mockRepository);
 
-                var gui = mockRepository.Stub<IGui>();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(g => g.MainWindow).Return(mainWindow);
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
                 gui.Stub(cmp => cmp.Get(context, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(g => g.ProjectStore).Return(mockRepository.Stub<IStoreProject>());
 
@@ -854,9 +833,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 mockRepository.ReplayAll();
Index: Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaterLevelCalculationsForUserDefinedTargetProbabilitiesGroupContextTreeNodeInfoTest.cs
===================================================================
diff -u -r43c03afe6a6c7bbe3e76697d38515afb10d424f2 -r6492aa58a4d485a9c87d80b7529e1d36b5fd61b0
--- Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaterLevelCalculationsForUserDefinedTargetProbabilitiesGroupContextTreeNodeInfoTest.cs	(.../WaterLevelCalculationsForUserDefinedTargetProbabilitiesGroupContextTreeNodeInfoTest.cs)	(revision 43c03afe6a6c7bbe3e76697d38515afb10d424f2)
+++ Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaterLevelCalculationsForUserDefinedTargetProbabilitiesGroupContextTreeNodeInfoTest.cs	(.../WaterLevelCalculationsForUserDefinedTargetProbabilitiesGroupContextTreeNodeInfoTest.cs)	(revision 6492aa58a4d485a9c87d80b7529e1d36b5fd61b0)
@@ -50,6 +50,7 @@
 using Riskeer.HydraRing.Calculation.Data.Input;
 using Riskeer.HydraRing.Calculation.TestUtil.Calculator;
 using Riskeer.Integration.Data;
+using Riskeer.Integration.TestUtil;
 using RiskeerCommonFormsResources = Riskeer.Common.Forms.Properties.Resources;
 
 namespace Riskeer.Integration.Plugin.Test.TreeNodeInfos
@@ -185,9 +186,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(menuBuilder);
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -220,9 +219,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(menuBuilder);
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -291,10 +288,8 @@
             {
                 IMainWindow mainWindow = MainWindowTestHelper.CreateMainWindowStub(mockRepository);
 
-                var gui = mockRepository.Stub<IGui>();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(g => g.MainWindow).Return(mainWindow);
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
                 gui.Stub(cmp => cmp.Get(context, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(g => g.ProjectStore).Return(mockRepository.Stub<IStoreProject>());
 
@@ -338,9 +333,7 @@
             var mockRepository = new MockRepository();
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -387,9 +380,7 @@
             var mockRepository = new MockRepository();
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -437,9 +428,7 @@
             var mockRepository = new MockRepository();
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -484,9 +473,7 @@
             var mockRepository = new MockRepository();
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -527,9 +514,7 @@
             var mockRepository = new MockRepository();
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -583,10 +568,8 @@
             {
                 IMainWindow mainWindow = MainWindowTestHelper.CreateMainWindowStub(mockRepository);
 
-                var gui = mockRepository.Stub<IGui>();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(g => g.MainWindow).Return(mainWindow);
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
                 gui.Stub(cmp => cmp.Get(context, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(g => g.ProjectStore).Return(mockRepository.Stub<IStoreProject>());
 
@@ -680,9 +663,7 @@
             {
                 var calculationObserver = mockRepository.StrictMock<IObserver>();
 
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 gui.Stub(cmp => cmp.Get(context, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 mockRepository.ReplayAll();
@@ -745,9 +726,7 @@
                 var calculationObserver = mockRepository.StrictMock<IObserver>();
                 calculationObserver.Expect(o => o.UpdateObserver());
 
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 gui.Stub(cmp => cmp.Get(context, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 mockRepository.ReplayAll();
Index: Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaterLevelCalculationsForUserDefinedTargetProbabilityContextTreeNodeInfoTest.cs
===================================================================
diff -u -r58ccb1e4c46029972c424d66338b099b05888912 -r6492aa58a4d485a9c87d80b7529e1d36b5fd61b0
--- Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaterLevelCalculationsForUserDefinedTargetProbabilityContextTreeNodeInfoTest.cs	(.../WaterLevelCalculationsForUserDefinedTargetProbabilityContextTreeNodeInfoTest.cs)	(revision 58ccb1e4c46029972c424d66338b099b05888912)
+++ Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaterLevelCalculationsForUserDefinedTargetProbabilityContextTreeNodeInfoTest.cs	(.../WaterLevelCalculationsForUserDefinedTargetProbabilityContextTreeNodeInfoTest.cs)	(revision 6492aa58a4d485a9c87d80b7529e1d36b5fd61b0)
@@ -49,6 +49,7 @@
 using Riskeer.HydraRing.Calculation.Data.Input.Hydraulics;
 using Riskeer.HydraRing.Calculation.TestUtil.Calculator;
 using Riskeer.Integration.Data;
+using Riskeer.Integration.TestUtil;
 using RiskeerCommonFormsResources = Riskeer.Common.Forms.Properties.Resources;
 
 namespace Riskeer.Integration.Plugin.Test.TreeNodeInfos
@@ -236,9 +237,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(menuBuilder);
                 mockRepository.ReplayAll();
@@ -269,9 +268,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(menuBuilder);
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -318,9 +315,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -359,9 +354,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -407,9 +400,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -466,9 +457,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -521,9 +510,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -579,10 +566,8 @@
             {
                 IMainWindow mainWindow = MainWindowTestHelper.CreateMainWindowStub(mockRepository);
 
-                var gui = mockRepository.Stub<IGui>();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(g => g.MainWindow).Return(mainWindow);
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
                 gui.Stub(cmp => cmp.Get(context, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(g => g.ProjectStore).Return(mockRepository.Stub<IStoreProject>());
 
@@ -666,10 +651,8 @@
             {
                 IMainWindow mainWindow = MainWindowTestHelper.CreateMainWindowStub(mockRepository);
 
-                var gui = mockRepository.Stub<IGui>();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(g => g.MainWindow).Return(mainWindow);
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
                 gui.Stub(cmp => cmp.Get(context, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(g => g.ProjectStore).Return(mockRepository.Stub<IStoreProject>());
 
@@ -751,10 +734,8 @@
             {
                 IMainWindow mainWindow = MainWindowTestHelper.CreateMainWindowStub(mockRepository);
 
-                var gui = mockRepository.Stub<IGui>();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(g => g.MainWindow).Return(mainWindow);
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
                 gui.Stub(cmp => cmp.Get(context, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(g => g.ProjectStore).Return(mockRepository.Stub<IStoreProject>());
 
@@ -829,10 +810,8 @@
             {
                 IMainWindow mainWindow = MainWindowTestHelper.CreateMainWindowStub(mockRepository);
 
-                var gui = mockRepository.Stub<IGui>();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(g => g.MainWindow).Return(mainWindow);
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
                 gui.Stub(cmp => cmp.Get(context, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(g => g.ProjectStore).Return(mockRepository.Stub<IStoreProject>());
 
@@ -939,9 +918,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 mockRepository.ReplayAll();
Index: Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaterPressureAsphaltCoverFailureMechanismContextTreeNodeInfoTest.cs
===================================================================
diff -u -r48244f68eee25ef1d91701d82e4c4867f0252ffc -r6492aa58a4d485a9c87d80b7529e1d36b5fd61b0
--- Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaterPressureAsphaltCoverFailureMechanismContextTreeNodeInfoTest.cs	(.../WaterPressureAsphaltCoverFailureMechanismContextTreeNodeInfoTest.cs)	(revision 48244f68eee25ef1d91701d82e4c4867f0252ffc)
+++ Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaterPressureAsphaltCoverFailureMechanismContextTreeNodeInfoTest.cs	(.../WaterPressureAsphaltCoverFailureMechanismContextTreeNodeInfoTest.cs)	(revision 6492aa58a4d485a9c87d80b7529e1d36b5fd61b0)
@@ -37,6 +37,7 @@
 using Riskeer.Integration.Data.StandAlone;
 using Riskeer.Integration.Data.StandAlone.SectionResults;
 using Riskeer.Integration.Forms.PresentationObjects.StandAlone;
+using Riskeer.Integration.TestUtil;
 using RiskeerCommonFormsResources = Riskeer.Common.Forms.Properties.Resources;
 
 namespace Riskeer.Integration.Plugin.Test.TreeNodeInfos
@@ -227,10 +228,8 @@
                     menuBuilder.Expect(mb => mb.Build()).Return(null);
                 }
 
-                var gui = mocks.Stub<IGui>();
+                IGui gui = StubFactory.CreateGuiStub(mocks);
                 gui.Stub(cmp => cmp.Get(context, treeView)).Return(menuBuilder);
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
                 mocks.ReplayAll();
 
                 plugin.Gui = gui;
@@ -267,10 +266,8 @@
                     menuBuilder.Expect(mb => mb.Build()).Return(null);
                 }
 
-                var gui = mocks.Stub<IGui>();
+                IGui gui = StubFactory.CreateGuiStub(mocks);
                 gui.Stub(cmp => cmp.Get(context, treeView)).Return(menuBuilder);
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
                 mocks.ReplayAll();
 
                 plugin.Gui = gui;
@@ -294,10 +291,8 @@
 
                 var menuBuilder = new CustomItemsOnlyContextMenuBuilder();
 
-                var gui = mocks.Stub<IGui>();
+                IGui gui = StubFactory.CreateGuiStub(mocks);
                 gui.Stub(cmp => cmp.Get(context, treeView)).Return(menuBuilder);
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
                 mocks.ReplayAll();
 
                 plugin.Gui = gui;
@@ -338,10 +333,8 @@
             {
                 var menuBuilder = new CustomItemsOnlyContextMenuBuilder();
 
-                var gui = mocks.Stub<IGui>();
+                IGui gui = StubFactory.CreateGuiStub(mocks);
                 gui.Stub(g => g.ViewCommands).Return(viewCommands);
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
                 gui.Stub(g => g.Get(failureMechanismContext, treeViewControl)).Return(menuBuilder);
                 mocks.ReplayAll();
 
@@ -381,10 +374,8 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mocks.Stub<IGui>();
+                IGui gui = StubFactory.CreateGuiStub(mocks);
                 gui.Stub(g => g.ViewCommands).Return(viewCommands);
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
                 gui.Stub(g => g.Get(failureMechanismContext, treeViewControl)).Return(menuBuilder);
                 mocks.ReplayAll();
 
Index: Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaterPressureAsphaltCoverFailureMechanismSectionResultContextTreeNodeInfoTest.cs
===================================================================
diff -u -r48244f68eee25ef1d91701d82e4c4867f0252ffc -r6492aa58a4d485a9c87d80b7529e1d36b5fd61b0
--- Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaterPressureAsphaltCoverFailureMechanismSectionResultContextTreeNodeInfoTest.cs	(.../WaterPressureAsphaltCoverFailureMechanismSectionResultContextTreeNodeInfoTest.cs)	(revision 48244f68eee25ef1d91701d82e4c4867f0252ffc)
+++ Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaterPressureAsphaltCoverFailureMechanismSectionResultContextTreeNodeInfoTest.cs	(.../WaterPressureAsphaltCoverFailureMechanismSectionResultContextTreeNodeInfoTest.cs)	(revision 6492aa58a4d485a9c87d80b7529e1d36b5fd61b0)
@@ -30,6 +30,7 @@
 using Riskeer.Common.Forms.PresentationObjects;
 using Riskeer.Integration.Data.StandAlone;
 using Riskeer.Integration.Data.StandAlone.SectionResults;
+using Riskeer.Integration.TestUtil;
 using RiskeerCommonFormsResources = Riskeer.Common.Forms.Properties.Resources;
 
 namespace Riskeer.Integration.Plugin.Test.TreeNodeInfos
@@ -118,10 +119,8 @@
             using (plugin)
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mocks.Stub<IGui>();
+                IGui gui = StubFactory.CreateGuiStub(mocks);
                 gui.Stub(g => g.Get(null, treeViewControl)).Return(menuBuilder);
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
 
                 mocks.ReplayAll();
 
Index: Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaveHeightCalculationsForUserDefinedTargetProbabilitiesGroupContextTreeNodeInfoTest.cs
===================================================================
diff -u -r43c03afe6a6c7bbe3e76697d38515afb10d424f2 -r6492aa58a4d485a9c87d80b7529e1d36b5fd61b0
--- Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaveHeightCalculationsForUserDefinedTargetProbabilitiesGroupContextTreeNodeInfoTest.cs	(.../WaveHeightCalculationsForUserDefinedTargetProbabilitiesGroupContextTreeNodeInfoTest.cs)	(revision 43c03afe6a6c7bbe3e76697d38515afb10d424f2)
+++ Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaveHeightCalculationsForUserDefinedTargetProbabilitiesGroupContextTreeNodeInfoTest.cs	(.../WaveHeightCalculationsForUserDefinedTargetProbabilitiesGroupContextTreeNodeInfoTest.cs)	(revision 6492aa58a4d485a9c87d80b7529e1d36b5fd61b0)
@@ -50,6 +50,7 @@
 using Riskeer.HydraRing.Calculation.Data.Input;
 using Riskeer.HydraRing.Calculation.TestUtil.Calculator;
 using Riskeer.Integration.Data;
+using Riskeer.Integration.TestUtil;
 using RiskeerCommonFormsResources = Riskeer.Common.Forms.Properties.Resources;
 
 namespace Riskeer.Integration.Plugin.Test.TreeNodeInfos
@@ -185,9 +186,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(menuBuilder);
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -220,9 +219,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(menuBuilder);
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -291,10 +288,8 @@
             {
                 IMainWindow mainWindow = MainWindowTestHelper.CreateMainWindowStub(mockRepository);
 
-                var gui = mockRepository.Stub<IGui>();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(g => g.MainWindow).Return(mainWindow);
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
                 gui.Stub(cmp => cmp.Get(context, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(g => g.ProjectStore).Return(mockRepository.Stub<IStoreProject>());
 
@@ -338,9 +333,7 @@
             var mockRepository = new MockRepository();
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -387,9 +380,7 @@
             var mockRepository = new MockRepository();
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -437,9 +428,7 @@
             var mockRepository = new MockRepository();
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -484,9 +473,7 @@
             var mockRepository = new MockRepository();
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -527,9 +514,7 @@
             var mockRepository = new MockRepository();
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -583,10 +568,8 @@
             {
                 IMainWindow mainWindow = MainWindowTestHelper.CreateMainWindowStub(mockRepository);
 
-                var gui = mockRepository.Stub<IGui>();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(g => g.MainWindow).Return(mainWindow);
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
                 gui.Stub(cmp => cmp.Get(context, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(g => g.ProjectStore).Return(mockRepository.Stub<IStoreProject>());
 
@@ -680,9 +663,7 @@
             {
                 var calculationObserver = mockRepository.StrictMock<IObserver>();
 
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 gui.Stub(cmp => cmp.Get(context, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 mockRepository.ReplayAll();
@@ -745,9 +726,7 @@
                 var calculationObserver = mockRepository.StrictMock<IObserver>();
                 calculationObserver.Expect(o => o.UpdateObserver());
 
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 gui.Stub(cmp => cmp.Get(context, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 mockRepository.ReplayAll();
Index: Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaveHeightCalculationsForUserDefinedTargetProbabilityContextTreeNodeInfoTest.cs
===================================================================
diff -u -r58ccb1e4c46029972c424d66338b099b05888912 -r6492aa58a4d485a9c87d80b7529e1d36b5fd61b0
--- Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaveHeightCalculationsForUserDefinedTargetProbabilityContextTreeNodeInfoTest.cs	(.../WaveHeightCalculationsForUserDefinedTargetProbabilityContextTreeNodeInfoTest.cs)	(revision 58ccb1e4c46029972c424d66338b099b05888912)
+++ Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/WaveHeightCalculationsForUserDefinedTargetProbabilityContextTreeNodeInfoTest.cs	(.../WaveHeightCalculationsForUserDefinedTargetProbabilityContextTreeNodeInfoTest.cs)	(revision 6492aa58a4d485a9c87d80b7529e1d36b5fd61b0)
@@ -49,6 +49,7 @@
 using Riskeer.HydraRing.Calculation.Data.Input.Hydraulics;
 using Riskeer.HydraRing.Calculation.TestUtil.Calculator;
 using Riskeer.Integration.Data;
+using Riskeer.Integration.TestUtil;
 using RiskeerCommonFormsResources = Riskeer.Common.Forms.Properties.Resources;
 
 namespace Riskeer.Integration.Plugin.Test.TreeNodeInfos
@@ -236,9 +237,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(menuBuilder);
                 mockRepository.ReplayAll();
@@ -269,9 +268,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(menuBuilder);
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -318,9 +315,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -359,9 +354,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -407,9 +400,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -466,9 +457,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -521,9 +510,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -579,10 +566,8 @@
             {
                 IMainWindow mainWindow = MainWindowTestHelper.CreateMainWindowStub(mockRepository);
 
-                var gui = mockRepository.Stub<IGui>();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(g => g.MainWindow).Return(mainWindow);
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
                 gui.Stub(cmp => cmp.Get(context, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(g => g.ProjectStore).Return(mockRepository.Stub<IStoreProject>());
 
@@ -666,10 +651,8 @@
             {
                 IMainWindow mainWindow = MainWindowTestHelper.CreateMainWindowStub(mockRepository);
 
-                var gui = mockRepository.Stub<IGui>();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(g => g.MainWindow).Return(mainWindow);
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
                 gui.Stub(cmp => cmp.Get(context, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(g => g.ProjectStore).Return(mockRepository.Stub<IStoreProject>());
 
@@ -751,10 +734,8 @@
             {
                 IMainWindow mainWindow = MainWindowTestHelper.CreateMainWindowStub(mockRepository);
 
-                var gui = mockRepository.Stub<IGui>();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(g => g.MainWindow).Return(mainWindow);
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
                 gui.Stub(cmp => cmp.Get(context, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(g => g.ProjectStore).Return(mockRepository.Stub<IStoreProject>());
 
@@ -829,10 +810,8 @@
             {
                 IMainWindow mainWindow = MainWindowTestHelper.CreateMainWindowStub(mockRepository);
 
-                var gui = mockRepository.Stub<IGui>();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(g => g.MainWindow).Return(mainWindow);
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
                 gui.Stub(cmp => cmp.Get(context, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(g => g.ProjectStore).Return(mockRepository.Stub<IStoreProject>());
 
@@ -939,9 +918,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                var gui = mockRepository.Stub<IGui>();
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                IGui gui = StubFactory.CreateGuiStub(mockRepository);
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 mockRepository.ReplayAll();
Index: Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/UpdateInfos/ForeshoreProfileContextUpdateInfoTest.cs
===================================================================
diff -u -r886b86a66f072735567285a3489923186c236c32 -r6492aa58a4d485a9c87d80b7529e1d36b5fd61b0
--- Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/UpdateInfos/ForeshoreProfileContextUpdateInfoTest.cs	(.../ForeshoreProfileContextUpdateInfoTest.cs)	(revision 886b86a66f072735567285a3489923186c236c32)
+++ Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/UpdateInfos/ForeshoreProfileContextUpdateInfoTest.cs	(.../ForeshoreProfileContextUpdateInfoTest.cs)	(revision 6492aa58a4d485a9c87d80b7529e1d36b5fd61b0)
@@ -39,6 +39,7 @@
 using Riskeer.Common.Forms.PresentationObjects;
 using Riskeer.Common.IO.FileImporters;
 using Riskeer.Integration.Plugin.Properties;
+using Riskeer.Integration.TestUtil;
 
 namespace Riskeer.Integration.Plugin.Test.UpdateInfos
 {
@@ -232,10 +233,8 @@
             var assessmentSection = mocks.Stub<IAssessmentSection>();
 
             var mainWindow = mocks.Stub<IMainWindow>();
-            var gui = mocks.Stub<IGui>();
+            IGui gui = StubFactory.CreateGuiStub(mocks);
             gui.Stub(g => g.MainWindow).Return(mainWindow);
-            gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-            gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
 
             var calculationWithoutOutput = mocks.Stub<ICalculation>();
             calculationWithoutOutput.Stub(calc => calc.HasOutput).Return(false);
@@ -277,10 +276,8 @@
             var assessmentSection = mocks.Stub<IAssessmentSection>();
 
             var mainWindow = mocks.Stub<IMainWindow>();
-            var gui = mocks.Stub<IGui>();
+            IGui gui = StubFactory.CreateGuiStub(mocks);
             gui.Stub(g => g.MainWindow).Return(mainWindow);
-            gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-            gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
 
             var calculationWithoutOutput = mocks.Stub<ICalculation>();
             calculationWithoutOutput.Stub(calc => calc.HasOutput).Return(true);
Index: Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/ViewInfos/WaterLevelCalculationsForNormTargetProbabilityContextViewInfoTest.cs
===================================================================
diff -u -r54e76db3801063d1d387d861517b7e89ef7f191f -r6492aa58a4d485a9c87d80b7529e1d36b5fd61b0
--- Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/ViewInfos/WaterLevelCalculationsForNormTargetProbabilityContextViewInfoTest.cs	(.../WaterLevelCalculationsForNormTargetProbabilityContextViewInfoTest.cs)	(revision 54e76db3801063d1d387d861517b7e89ef7f191f)
+++ Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/ViewInfos/WaterLevelCalculationsForNormTargetProbabilityContextViewInfoTest.cs	(.../WaterLevelCalculationsForNormTargetProbabilityContextViewInfoTest.cs)	(revision 6492aa58a4d485a9c87d80b7529e1d36b5fd61b0)
@@ -42,6 +42,7 @@
 using Riskeer.Common.Forms.PresentationObjects;
 using Riskeer.Common.Forms.TestUtil;
 using Riskeer.Common.Forms.Views;
+using Riskeer.Integration.TestUtil;
 using RiskeerCommonFormsResources = Riskeer.Common.Forms.Properties.Resources;
 
 namespace Riskeer.Integration.Plugin.Test.ViewInfos
@@ -274,9 +275,7 @@
         {
             // Setup
             var mocks = new MockRepository();
-            var gui = mocks.Stub<IGui>();
-            gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-            gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+            IGui gui = StubFactory.CreateGuiStub(mocks);
             gui.Stub(g => g.ViewCommands).Return(mocks.Stub<IViewCommands>());
             gui.Stub(g => g.MainWindow).Return(mocks.Stub<IMainWindow>());
             gui.Stub(g => g.DocumentViewController).Return(mocks.Stub<IDocumentViewController>());
Index: Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/ViewInfos/WaterLevelCalculationsForUserDefinedTargetProbabilityContextViewInfoTest.cs
===================================================================
diff -u -r54e76db3801063d1d387d861517b7e89ef7f191f -r6492aa58a4d485a9c87d80b7529e1d36b5fd61b0
--- Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/ViewInfos/WaterLevelCalculationsForUserDefinedTargetProbabilityContextViewInfoTest.cs	(.../WaterLevelCalculationsForUserDefinedTargetProbabilityContextViewInfoTest.cs)	(revision 54e76db3801063d1d387d861517b7e89ef7f191f)
+++ Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/ViewInfos/WaterLevelCalculationsForUserDefinedTargetProbabilityContextViewInfoTest.cs	(.../WaterLevelCalculationsForUserDefinedTargetProbabilityContextViewInfoTest.cs)	(revision 6492aa58a4d485a9c87d80b7529e1d36b5fd61b0)
@@ -42,6 +42,7 @@
 using Riskeer.Common.Forms.PresentationObjects;
 using Riskeer.Common.Forms.TestUtil;
 using Riskeer.Common.Forms.Views;
+using Riskeer.Integration.TestUtil;
 using RiskeerCommonFormsResources = Riskeer.Common.Forms.Properties.Resources;
 
 namespace Riskeer.Integration.Plugin.Test.ViewInfos
@@ -274,9 +275,7 @@
         {
             // Setup
             var mocks = new MockRepository();
-            var gui = mocks.Stub<IGui>();
-            gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-            gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+            IGui gui = StubFactory.CreateGuiStub(mocks);
             gui.Stub(g => g.ViewCommands).Return(mocks.Stub<IViewCommands>());
             gui.Stub(g => g.MainWindow).Return(mocks.Stub<IMainWindow>());
             gui.Stub(g => g.DocumentViewController).Return(mocks.Stub<IDocumentViewController>());
Index: Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/ViewInfos/WaveHeightCalculationsForUserDefinedTargetProbabilityContextViewInfoTest.cs
===================================================================
diff -u -r54e76db3801063d1d387d861517b7e89ef7f191f -r6492aa58a4d485a9c87d80b7529e1d36b5fd61b0
--- Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/ViewInfos/WaveHeightCalculationsForUserDefinedTargetProbabilityContextViewInfoTest.cs	(.../WaveHeightCalculationsForUserDefinedTargetProbabilityContextViewInfoTest.cs)	(revision 54e76db3801063d1d387d861517b7e89ef7f191f)
+++ Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/ViewInfos/WaveHeightCalculationsForUserDefinedTargetProbabilityContextViewInfoTest.cs	(.../WaveHeightCalculationsForUserDefinedTargetProbabilityContextViewInfoTest.cs)	(revision 6492aa58a4d485a9c87d80b7529e1d36b5fd61b0)
@@ -42,6 +42,7 @@
 using Riskeer.Common.Forms.PresentationObjects;
 using Riskeer.Common.Forms.TestUtil;
 using Riskeer.Common.Forms.Views;
+using Riskeer.Integration.TestUtil;
 using RiskeerCommonFormsResources = Riskeer.Common.Forms.Properties.Resources;
 
 namespace Riskeer.Integration.Plugin.Test.ViewInfos
@@ -274,9 +275,7 @@
         {
             // Setup
             var mocks = new MockRepository();
-            var gui = mocks.Stub<IGui>();
-            gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-            gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+            IGui gui = StubFactory.CreateGuiStub(mocks);
             gui.Stub(g => g.ViewCommands).Return(mocks.Stub<IViewCommands>());
             gui.Stub(g => g.MainWindow).Return(mocks.Stub<IMainWindow>());
             gui.Stub(g => g.DocumentViewController).Return(mocks.Stub<IDocumentViewController>());