Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/PresentationObjects/HeightStructuresCalculationGroupContextTest.cs
===================================================================
diff -u -ra1abe798a3991d9fff01eae522ccae2a43d0a931 -rebbc4fd6d5025a84b00878cae2c45b5b0dbfef80
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/PresentationObjects/HeightStructuresCalculationGroupContextTest.cs	(.../HeightStructuresCalculationGroupContextTest.cs)	(revision a1abe798a3991d9fff01eae522ccae2a43d0a931)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/PresentationObjects/HeightStructuresCalculationGroupContextTest.cs	(.../HeightStructuresCalculationGroupContextTest.cs)	(revision ebbc4fd6d5025a84b00878cae2c45b5b0dbfef80)
@@ -37,7 +37,7 @@
         [Test]
         [TestCase(true)]
         [TestCase(false)]
-        public void ParameteredConstructor_ExpectedValues(bool withParent)
+        public void ParameteredConstructor_ExpectedValues(bool hasParent)
         {
             // Setup
             var mockRepository = new MockRepository();
@@ -47,7 +47,7 @@
             var calculationGroup = new CalculationGroup();
             var failureMechanism = new HeightStructuresFailureMechanism();
 
-            CalculationGroup parent = withParent ? new CalculationGroup() : null;
+            CalculationGroup parent = hasParent ? new CalculationGroup() : null;
 
             // Call
             var groupContext = new HeightStructuresCalculationGroupContext(calculationGroup, parent, failureMechanism, assessmentSection);
@@ -64,7 +64,8 @@
             mockRepository.VerifyAll();
         }
 
-        [TestFixture]
+        [TestFixture(true)]
+        [TestFixture(false)]
         private class HeightStructuresCalculationGroupContextEqualsTest
             : EqualsTestFixture<HeightStructuresCalculationGroupContext,
                 DerivedHeightStructuresCalculationGroupContext>
@@ -73,9 +74,10 @@
 
             private static readonly IAssessmentSection assessmentSection = mocks.Stub<IAssessmentSection>();
             private static readonly HeightStructuresFailureMechanism failureMechanism = new HeightStructuresFailureMechanism();
-            private static readonly CalculationGroup parent = new CalculationGroup();
             private static readonly CalculationGroup calculationGroup = new CalculationGroup();
 
+            private static CalculationGroup parent;
+
             [SetUp]
             public void SetUp()
             {
@@ -88,6 +90,11 @@
                 mocks.VerifyAll();
             }
 
+            public HeightStructuresCalculationGroupContextEqualsTest(bool hasParent)
+            {
+                parent = hasParent ? new CalculationGroup() : null;
+            }
+
             protected override HeightStructuresCalculationGroupContext CreateObject()
             {
                 return new HeightStructuresCalculationGroupContext(calculationGroup,