Index: Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.Forms.Test/PresentationObjects/GrassCoverErosionInwardsCalculationGroupContextTest.cs
===================================================================
diff -u -ra1abe798a3991d9fff01eae522ccae2a43d0a931 -rebbc4fd6d5025a84b00878cae2c45b5b0dbfef80
--- Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.Forms.Test/PresentationObjects/GrassCoverErosionInwardsCalculationGroupContextTest.cs	(.../GrassCoverErosionInwardsCalculationGroupContextTest.cs)	(revision a1abe798a3991d9fff01eae522ccae2a43d0a931)
+++ Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.Forms.Test/PresentationObjects/GrassCoverErosionInwardsCalculationGroupContextTest.cs	(.../GrassCoverErosionInwardsCalculationGroupContextTest.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 GrassCoverErosionInwardsFailureMechanism();
 
-            CalculationGroup parent = withParent ? new CalculationGroup() : null;
+            CalculationGroup parent = hasParent ? new CalculationGroup() : null;
 
             // Call
             var groupContext = new GrassCoverErosionInwardsCalculationGroupContext(calculationGroup, parent, failureMechanism, assessmentSection);
@@ -63,7 +63,8 @@
             mockRepository.VerifyAll();
         }
 
-        [TestFixture]
+        [TestFixture(true)]
+        [TestFixture(false)]
         private class GrassCoverErosionInwardsCalculationGroupContextEqualsTest
             : EqualsTestFixture<GrassCoverErosionInwardsCalculationGroupContext,
                 DerivedGrassCoverErosionInwardsCalculationGroupContext>
@@ -72,9 +73,10 @@
 
             private static readonly IAssessmentSection assessmentSection = mocks.Stub<IAssessmentSection>();
             private static readonly GrassCoverErosionInwardsFailureMechanism failureMechanism = new GrassCoverErosionInwardsFailureMechanism();
-            private static readonly CalculationGroup parent = new CalculationGroup();
             private static readonly CalculationGroup calculationGroup = new CalculationGroup();
 
+            private static CalculationGroup parent;
+
             [SetUp]
             public void SetUp()
             {
@@ -87,6 +89,11 @@
                 mocks.VerifyAll();
             }
 
+            public GrassCoverErosionInwardsCalculationGroupContextEqualsTest(bool hasParent)
+            {
+                parent = hasParent ? new CalculationGroup() : null;
+            }
+
             protected override GrassCoverErosionInwardsCalculationGroupContext CreateObject()
             {
                 return new GrassCoverErosionInwardsCalculationGroupContext(calculationGroup,