Index: Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/GrassCoverSlipOffOutwardsFailureMechanismContextTreeNodeInfoTest.cs
===================================================================
diff -u -r48244f68eee25ef1d91701d82e4c4867f0252ffc -re1349b9fcd5da0f77b75edeee961d679a9d667d9
--- Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/GrassCoverSlipOffOutwardsFailureMechanismContextTreeNodeInfoTest.cs	(.../GrassCoverSlipOffOutwardsFailureMechanismContextTreeNodeInfoTest.cs)	(revision 48244f68eee25ef1d91701d82e4c4867f0252ffc)
+++ Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/GrassCoverSlipOffOutwardsFailureMechanismContextTreeNodeInfoTest.cs	(.../GrassCoverSlipOffOutwardsFailureMechanismContextTreeNodeInfoTest.cs)	(revision e1349b9fcd5da0f77b75edeee961d679a9d667d9)
@@ -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/GrassCoverSlipOffOutwardsFailureMechanismSectionResultContextTreeNodeInfoTest.cs
===================================================================
diff -u -r48244f68eee25ef1d91701d82e4c4867f0252ffc -re1349b9fcd5da0f77b75edeee961d679a9d667d9
--- Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/GrassCoverSlipOffOutwardsFailureMechanismSectionResultContextTreeNodeInfoTest.cs	(.../GrassCoverSlipOffOutwardsFailureMechanismSectionResultContextTreeNodeInfoTest.cs)	(revision 48244f68eee25ef1d91701d82e4c4867f0252ffc)
+++ Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/GrassCoverSlipOffOutwardsFailureMechanismSectionResultContextTreeNodeInfoTest.cs	(.../GrassCoverSlipOffOutwardsFailureMechanismSectionResultContextTreeNodeInfoTest.cs)	(revision e1349b9fcd5da0f77b75edeee961d679a9d667d9)
@@ -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/HydraulicBoundaryDatabaseContextTreeNodeInfoTest.cs
===================================================================
diff -u -r1da3bfcce5b70ce3aacf15c6964f45b72152c99a -re1349b9fcd5da0f77b75edeee961d679a9d667d9
--- Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/HydraulicBoundaryDatabaseContextTreeNodeInfoTest.cs	(.../HydraulicBoundaryDatabaseContextTreeNodeInfoTest.cs)	(revision 1da3bfcce5b70ce3aacf15c6964f45b72152c99a)
+++ Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/TreeNodeInfos/HydraulicBoundaryDatabaseContextTreeNodeInfoTest.cs	(.../HydraulicBoundaryDatabaseContextTreeNodeInfoTest.cs)	(revision e1349b9fcd5da0f77b75edeee961d679a9d667d9)
@@ -54,6 +54,7 @@
 using Riskeer.HydraRing.Calculation.TestUtil.Calculator;
 using Riskeer.Integration.Data;
 using Riskeer.Integration.Forms.PresentationObjects;
+using Riskeer.Integration.TestUtil;
 using RiskeerCommonFormsResources = Riskeer.Common.Forms.Properties.Resources;
 
 namespace Riskeer.Integration.Plugin.Test.TreeNodeInfos
@@ -164,9 +165,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                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(cmp => cmp.Get(context, treeViewControl)).Return(menuBuilder);
                 gui.Stub(cmp => cmp.MainWindow).Return(mocks.Stub<IMainWindow>());
                 mocks.ReplayAll();
@@ -214,10 +213,8 @@
                                                      context,
                                                      treeViewControl);
 
-                var gui = mocks.Stub<IGui>();
+                IGui gui = StubFactory.CreateGuiStub(mocks);
                 gui.Stub(g => g.Get(context, treeViewControl)).Return(builder);
-                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
-                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
                 gui.Stub(cmp => cmp.MainWindow).Return(mocks.Stub<IMainWindow>());
                 mocks.ReplayAll();
 
@@ -361,9 +358,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                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(cmp => cmp.MainWindow).Return(mocks.Stub<IMainWindow>());
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 mocks.ReplayAll();
@@ -413,9 +408,7 @@
 
             using (var treeViewControl = new TreeViewControl())
             {
-                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(cmp => cmp.MainWindow).Return(mocks.Stub<IMainWindow>());
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 mocks.ReplayAll();
@@ -467,9 +460,7 @@
             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(mocks);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -512,9 +503,7 @@
             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(mocks);
                 gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 mockRepository.ReplayAll();
@@ -568,10 +557,8 @@
             {
                 IMainWindow mainWindow = MainWindowTestHelper.CreateMainWindowStub(mocks);
 
-                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();
                 gui.Stub(cmp => cmp.Get(context, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 gui.Stub(g => g.DocumentViewController).Return(mocks.Stub<IDocumentViewController>());
                 gui.Stub(g => g.ViewCommands).Return(mocks.Stub<IViewCommands>());
@@ -698,9 +685,7 @@
             {
                 var affectedCalculationObserver = 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(mocks);
                 gui.Stub(cmp => cmp.MainWindow).Return(mockRepository.Stub<IMainWindow>());
                 gui.Stub(cmp => cmp.Get(context, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
                 mockRepository.ReplayAll();
@@ -764,9 +749,7 @@
                 affectedCalculationObserver.Expect(o => o.UpdateObserver());
                 var unAffectedCalculationObserver = 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(mocks);
                 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.TestUtil/StubFactory.cs
===================================================================
diff -u -r0eab9d948d5bd86b8e844769ed0861db9909958a -re1349b9fcd5da0f77b75edeee961d679a9d667d9
--- Riskeer/Integration/test/Riskeer.Integration.TestUtil/StubFactory.cs	(.../StubFactory.cs)	(revision 0eab9d948d5bd86b8e844769ed0861db9909958a)
+++ Riskeer/Integration/test/Riskeer.Integration.TestUtil/StubFactory.cs	(.../StubFactory.cs)	(revision e1349b9fcd5da0f77b75edeee961d679a9d667d9)
@@ -43,6 +43,8 @@
             gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
             gui.Stub(g => g.ViewHost).Return(mockRepository.Stub<IViewHost>());
 
+            gui.Replay();
+
             return gui;
         }
     }