Index: Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/TreeNodeInfos/WaveHeightLocationsGroupContextTreeNodeInfoTest.cs
===================================================================
diff -u -r992c355c1d478deb33ac05e3a904bc3e206526b9 -rfe72a9ce77faa57ab2452107a369b5d3938d8fd5
--- Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/TreeNodeInfos/WaveHeightLocationsGroupContextTreeNodeInfoTest.cs	(.../WaveHeightLocationsGroupContextTreeNodeInfoTest.cs)	(revision 992c355c1d478deb33ac05e3a904bc3e206526b9)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/TreeNodeInfos/WaveHeightLocationsGroupContextTreeNodeInfoTest.cs	(.../WaveHeightLocationsGroupContextTreeNodeInfoTest.cs)	(revision fe72a9ce77faa57ab2452107a369b5d3938d8fd5)
@@ -23,6 +23,8 @@
 using System.Linq;
 using Core.Common.Base;
 using Core.Common.Controls.TreeView;
+using Core.Common.Gui;
+using Core.Common.Gui.ContextMenu;
 using Core.Common.TestUtil;
 using NUnit.Extensions.Forms;
 using NUnit.Framework;
@@ -52,7 +54,7 @@
                 Assert.IsNotNull(info.Text);
                 Assert.IsNull(info.ForeColor);
                 Assert.IsNotNull(info.Image);
-                Assert.IsNull(info.ContextMenuStrip);
+                Assert.IsNotNull(info.ContextMenuStrip);
                 Assert.IsNull(info.EnsureVisibleOnCreate);
                 Assert.IsNull(info.ExpandOnCreate);
                 Assert.IsNotNull(info.ChildNodeObjects);
@@ -104,6 +106,47 @@
         }
 
         [Test]
+        public void ContextMenuStrip_Always_CallsContextMenuBuilderMethods()
+        {
+            // Setup
+            var mockRepository = new MockRepository();
+            var assessmentSection = mockRepository.StrictMock<IAssessmentSection>();
+            var menuBuilder = mockRepository.StrictMock<IContextMenuBuilder>();
+
+            using (mockRepository.Ordered())
+            {
+                menuBuilder.Expect(mb => mb.AddCollapseAllItem()).Return(menuBuilder);
+                menuBuilder.Expect(mb => mb.AddExpandAllItem()).Return(menuBuilder);
+                menuBuilder.Expect(mb => mb.Build()).Return(null);
+            }
+
+            var nodeData = new WaveHeightLocationsGroupContext(new ObservableList<HydraulicBoundaryLocation>(),
+                                                               assessmentSection);
+
+            using (var treeViewControl = new TreeViewControl())
+            {
+                var gui = mockRepository.Stub<IGui>();
+                gui.Stub(g => g.ProjectOpened += null).IgnoreArguments();
+                gui.Stub(g => g.ProjectOpened -= null).IgnoreArguments();
+                gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(menuBuilder);
+                mockRepository.ReplayAll();
+
+                using (var plugin = new RingtoetsPlugin())
+                {
+                    TreeNodeInfo info = GetInfo(plugin);
+
+                    plugin.Gui = gui;
+
+                    // Call
+                    info.ContextMenuStrip(nodeData, null, treeViewControl);
+                }
+            }
+
+            // Assert
+            mockRepository.VerifyAll();
+        }
+
+        [Test]
         public void ChildNodeObjects_Always_ReturnsChildrenOfData()
         {
             // Setup