Index: Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Create/IllustrationPoints/TopLevelFaultTreeIllustrationPointCreateExtensionsTest.cs
===================================================================
diff -u -r57b198a3f80256e02b871d8de11c05d9f2dcf311 -rd64218a12ee9c2fd3ffb32134354f694d77dedbe
--- Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Create/IllustrationPoints/TopLevelFaultTreeIllustrationPointCreateExtensionsTest.cs	(.../TopLevelFaultTreeIllustrationPointCreateExtensionsTest.cs)	(revision 57b198a3f80256e02b871d8de11c05d9f2dcf311)
+++ Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Create/IllustrationPoints/TopLevelFaultTreeIllustrationPointCreateExtensionsTest.cs	(.../TopLevelFaultTreeIllustrationPointCreateExtensionsTest.cs)	(revision d64218a12ee9c2fd3ffb32134354f694d77dedbe)
@@ -80,8 +80,8 @@
             var illustrationPointNode = new IllustrationPointNode(FaultTreeIllustrationPointTestFactory.CreateTestFaultTreeIllustrationPoint());
             illustrationPointNode.SetChildren(new[]
             {
-                new IllustrationPointNode(new TestSubMechanismIllustrationPoint("0")),
-                new IllustrationPointNode(new TestSubMechanismIllustrationPoint("1"))
+                new IllustrationPointNode(new TestSubMechanismIllustrationPoint("Point A")),
+                new IllustrationPointNode(new TestSubMechanismIllustrationPoint("Point B"))
             });
 
             var topLevelIllustrationPoint = new TopLevelFaultTreeIllustrationPoint(
@@ -105,7 +105,7 @@
 
             for (var i = 0; i < 2; i++)
             {
-                var expectedIllustrationPoint = new TestSubMechanismIllustrationPoint(i.ToString());
+                var expectedIllustrationPoint = new TestSubMechanismIllustrationPoint(subMechanismIllustrationPointEntities[i].Name);
                 SubMechanismIllustrationPointEntity illustrationPointEntity = subMechanismIllustrationPointEntities[i];
                 Assert.AreEqual(expectedIllustrationPoint.Name, illustrationPointEntity.Name);
                 Assert.AreEqual(expectedIllustrationPoint.Beta, illustrationPointEntity.Beta, expectedIllustrationPoint.Beta.GetAccuracy());
Index: Ringtoets/Common/test/Ringtoets.Common.Data.Test/IllustrationPoints/IllustrationPointNodeTest.cs
===================================================================
diff -u -rd7f56db6a475e07dd904bd61c0a56346aac4e565 -rd64218a12ee9c2fd3ffb32134354f694d77dedbe
--- Ringtoets/Common/test/Ringtoets.Common.Data.Test/IllustrationPoints/IllustrationPointNodeTest.cs	(.../IllustrationPointNodeTest.cs)	(revision d7f56db6a475e07dd904bd61c0a56346aac4e565)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.Test/IllustrationPoints/IllustrationPointNodeTest.cs	(.../IllustrationPointNodeTest.cs)	(revision d64218a12ee9c2fd3ffb32134354f694d77dedbe)
@@ -131,7 +131,7 @@
         }
 
         [Test]
-        public void SetChildren_ChildContainsDifferentStochasts_ThrowArgumentException()
+        public void SetChildren_ParentDoesNotContainSameStochastsAsChild_ThrowArgumentException()
         {
             // Setup
             var illustrationPointNode = new IllustrationPointNode(new FaultTreeIllustrationPoint("Top",
@@ -143,12 +143,10 @@
                                                                                                  CombinationType.And));
             var childrenToBeAdded = new[]
             {
-                new IllustrationPointNode(new FaultTreeIllustrationPoint("A",
-                                                                         0.0,
-                                                                         new[]
-                                                                         {
-                                                                             new Stochast("Stochast B", 0, 0)
-                                                                         }, CombinationType.Or)),
+                new IllustrationPointNode(new TestFaultTreeIllustrationPoint(new[]
+                {
+                    new Stochast("Stochast B", 0, 0)
+                })),
                 new IllustrationPointNode(new TestFaultTreeIllustrationPoint("B"))
             };
 
Index: Ringtoets/Common/test/Ringtoets.Common.Data.Test/IllustrationPoints/SubMechanismIllustrationPointTest.cs
===================================================================
diff -u -rd7f56db6a475e07dd904bd61c0a56346aac4e565 -rd64218a12ee9c2fd3ffb32134354f694d77dedbe
--- Ringtoets/Common/test/Ringtoets.Common.Data.Test/IllustrationPoints/SubMechanismIllustrationPointTest.cs	(.../SubMechanismIllustrationPointTest.cs)	(revision d7f56db6a475e07dd904bd61c0a56346aac4e565)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.Test/IllustrationPoints/SubMechanismIllustrationPointTest.cs	(.../SubMechanismIllustrationPointTest.cs)	(revision d64218a12ee9c2fd3ffb32134354f694d77dedbe)
@@ -27,6 +27,7 @@
 using NUnit.Framework;
 using Ringtoets.Common.Data.IllustrationPoints;
 using Ringtoets.Common.Data.TestUtil;
+using Ringtoets.Common.Data.TestUtil.IllustrationPoints;
 
 namespace Ringtoets.Common.Data.Test.IllustrationPoints
 {
@@ -127,10 +128,7 @@
             };
 
             // Call
-            TestDelegate test = () => new SubMechanismIllustrationPoint("Point A",
-                                                                        random.NextDouble(),
-                                                                        stochasts,
-                                                                        Enumerable.Empty<IllustrationPointResult>());
+            TestDelegate test = () => new TestSubMechanismIllustrationPoint(stochasts);
 
             // Assert
             const string expectedMessage = "Een of meerdere stochasten hebben dezelfde naam.";