Index: Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Data.TestUtil/ClosingStructurePermutationHelper.cs
===================================================================
diff -u -ra90c7f22f8c5b259603c7015c1b182f3dcd11331 -r59bb55c3103574906353fbfb3ef3026f0086b6be
--- Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Data.TestUtil/ClosingStructurePermutationHelper.cs	(.../ClosingStructurePermutationHelper.cs)	(revision a90c7f22f8c5b259603c7015c1b182f3dcd11331)
+++ Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Data.TestUtil/ClosingStructurePermutationHelper.cs	(.../ClosingStructurePermutationHelper.cs)	(revision 59bb55c3103574906353fbfb3ef3026f0086b6be)
@@ -278,7 +278,7 @@
 
             ClosingStructure.ConstructionProperties differentInflowModelTypeConstructionProperties =
                 CreateTestClosingStructureConstructionProperties();
-            differentInflowModelTypeConstructionProperties.InflowModelType = random.NextEnumValue<ClosingStructureInflowModelType>();
+            differentInflowModelTypeConstructionProperties.InflowModelType = ClosingStructureInflowModelType.LowSill;
             yield return new TestCaseData(new ClosingStructure(differentInflowModelTypeConstructionProperties))
                 .SetName($"{targetName}_DifferentInflowModelType_{testResultDescription}");
 
Index: Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Data.TestUtil.Test/StabilityPointStructurePermutationHelperTest.cs
===================================================================
diff -u -r1e5300a95a25677488384a87ac159288529f3751 -r59bb55c3103574906353fbfb3ef3026f0086b6be
--- Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Data.TestUtil.Test/StabilityPointStructurePermutationHelperTest.cs	(.../StabilityPointStructurePermutationHelperTest.cs)	(revision 1e5300a95a25677488384a87ac159288529f3751)
+++ Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Data.TestUtil.Test/StabilityPointStructurePermutationHelperTest.cs	(.../StabilityPointStructurePermutationHelperTest.cs)	(revision 59bb55c3103574906353fbfb3ef3026f0086b6be)
@@ -39,7 +39,7 @@
             List<TestCaseData> testCaseDatas = StabilityPointStructurePermutationHelper.DifferentStabilityPointStructures(targetName, testResultDescription).ToList();
 
             // Assert
-            Assert.AreEqual(47, testCaseDatas.Count);
+            Assert.AreEqual(46, testCaseDatas.Count);
             AssertTestNames(testCaseDatas, targetName, testResultDescription);
             AssertParameters(testCaseDatas, true, true, true);
         }
@@ -55,7 +55,7 @@
             List<TestCaseData> testCaseDatas = StabilityPointStructurePermutationHelper.DifferentStabilityPointStructuresWithSameId(targetName, testResultDescription).ToList();
 
             // Assert
-            Assert.AreEqual(46, testCaseDatas.Count);
+            Assert.AreEqual(45, testCaseDatas.Count);
             AssertTestNames(testCaseDatas, targetName, testResultDescription);
             AssertParameters(testCaseDatas, false, true, true);
         }
@@ -71,7 +71,7 @@
             List<TestCaseData> testCaseDatas = StabilityPointStructurePermutationHelper.DifferentStabilityPointStructuresWithSameIdNameAndLocation(targetName, testResultDescription).ToList();
 
             // Assert
-            Assert.AreEqual(44, testCaseDatas.Count);
+            Assert.AreEqual(43, testCaseDatas.Count);
             AssertTestNames(testCaseDatas, targetName, testResultDescription);
             AssertParameters(testCaseDatas, false, false, false);
         }
@@ -161,7 +161,6 @@
             differentStructures.Add(structures.Single(s => !s.LevellingCount.Equals(referenceStructure.LevellingCount)));
             differentStructures.Add(structures.Single(s => !s.ProbabilityCollisionSecondaryStructure.Equals(referenceStructure.ProbabilityCollisionSecondaryStructure)));
             differentStructures.Add(structures.Single(s => !s.FlowVelocityStructureClosable.Mean.Equals(referenceStructure.FlowVelocityStructureClosable.Mean)));
-            differentStructures.Add(structures.Single(s => !s.FlowVelocityStructureClosable.CoefficientOfVariation.Equals(referenceStructure.FlowVelocityStructureClosable.CoefficientOfVariation)));
             differentStructures.Add(structures.Single(s => !s.StabilityLinearLoadModel.Mean.Equals(referenceStructure.StabilityLinearLoadModel.Mean)));
             differentStructures.Add(structures.Single(s => !s.StabilityLinearLoadModel.CoefficientOfVariation.Equals(referenceStructure.StabilityLinearLoadModel.CoefficientOfVariation)));
             differentStructures.Add(structures.Single(s => !s.StabilityQuadraticLoadModel.Mean.Equals(referenceStructure.StabilityQuadraticLoadModel.Mean)));
Index: Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Data.TestUtil/StabilityPointStructurePermutationHelper.cs
===================================================================
diff -u -r04d81d1eb0414f621c706d8541804f6434e6c3d2 -r59bb55c3103574906353fbfb3ef3026f0086b6be
--- Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Data.TestUtil/StabilityPointStructurePermutationHelper.cs	(.../StabilityPointStructurePermutationHelper.cs)	(revision 04d81d1eb0414f621c706d8541804f6434e6c3d2)
+++ Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Data.TestUtil/StabilityPointStructurePermutationHelper.cs	(.../StabilityPointStructurePermutationHelper.cs)	(revision 59bb55c3103574906353fbfb3ef3026f0086b6be)
@@ -21,6 +21,7 @@
 
 using System;
 using System.Collections.Generic;
+using Core.Common.Base.Data;
 using Core.Common.Base.Geometry;
 using Core.Common.TestUtil;
 using NUnit.Framework;
@@ -394,14 +395,6 @@
 
             yield return new TestCaseData(new TestStabilityPointStructure
             {
-                FlowVelocityStructureClosable =
-                {
-                    CoefficientOfVariation = random.NextRoundedDouble()
-                }
-            }).SetName($"{targetName}_DifferentFlowVelocityStructureClosableCoefficientOfVariation_{testResultDescription}");
-
-            yield return new TestCaseData(new TestStabilityPointStructure
-            {
                 StabilityLinearLoadModel =
                 {
                     Mean = random.NextRoundedDouble()
@@ -450,7 +443,7 @@
 
             StabilityPointStructure.ConstructionProperties differentInflowModelTypeConstructionProperties =
                 CreateTestStabilityPointStructureConstructionProperties();
-            differentInflowModelTypeConstructionProperties.InflowModelType = random.NextEnumValue<StabilityPointStructureInflowModelType>();
+            differentInflowModelTypeConstructionProperties.InflowModelType = StabilityPointStructureInflowModelType.LowSill;
             yield return new TestCaseData(new StabilityPointStructure(differentInflowModelTypeConstructionProperties))
                 .SetName($"{targetName}_DifferentInflowModelType_{testResultDescription}");
         }