Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Service.Test/HeightStructuresCalculationServiceTest.cs
===================================================================
diff -u -r533cc8038f03f3acb30f4db787a3d583f93f7008 -r5c3100dd1adc2171c0f232849e8840432005f5ff
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Service.Test/HeightStructuresCalculationServiceTest.cs	(.../HeightStructuresCalculationServiceTest.cs)	(revision 533cc8038f03f3acb30f4db787a3d583f93f7008)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Service.Test/HeightStructuresCalculationServiceTest.cs	(.../HeightStructuresCalculationServiceTest.cs)	(revision 5c3100dd1adc2171c0f232849e8840432005f5ff)
@@ -179,7 +179,7 @@
                 var msgs = messages.ToArray();
                 Assert.AreEqual(3, msgs.Length);
                 StringAssert.StartsWith(string.Format("Validatie van '{0}' gestart om: ", name), msgs[0]);
-                StringAssert.StartsWith("Validatie mislukt: Er is geen hydraulische randvoorwaardenlocatie geselecteerd.", msgs[1]);
+                Assert.AreEqual("Validatie mislukt: Er is geen hydraulische randvoorwaardenlocatie geselecteerd.", msgs[1]);
                 StringAssert.StartsWith(string.Format("Validatie van '{0}' beëindigd om: ", name), msgs[2]);
             });
             Assert.IsFalse(isValid);
@@ -222,7 +222,7 @@
                 var msgs = messages.ToArray();
                 Assert.AreEqual(3, msgs.Length);
                 StringAssert.StartsWith(string.Format("Validatie van '{0}' gestart om: ", name), msgs[0]);
-                StringAssert.StartsWith(expectedValidationMessage, msgs[1]);
+                Assert.AreEqual(expectedValidationMessage, msgs[1]);
                 StringAssert.StartsWith(string.Format("Validatie van '{0}' beëindigd om: ", name), msgs[2]);
             });
             Assert.IsFalse(isValid);
@@ -268,7 +268,7 @@
                 var msgs = messages.ToArray();
                 Assert.AreEqual(3, msgs.Length);
                 StringAssert.StartsWith(string.Format("Validatie van '{0}' gestart om: ", name), msgs[0]);
-                StringAssert.StartsWith(expectedValidationMessage, msgs[1]);
+                Assert.AreEqual(expectedValidationMessage, msgs[1]);
                 StringAssert.StartsWith(string.Format("Validatie van '{0}' beëindigd om: ", name), msgs[2]);
             });
             Assert.IsFalse(isValid);
@@ -316,7 +316,7 @@
                 var msgs = messages.ToArray();
                 Assert.AreEqual(3, msgs.Length);
                 StringAssert.StartsWith(string.Format("Validatie van '{0}' gestart om: ", name), msgs[0]);
-                StringAssert.StartsWith(expectedValidationMessage, msgs[1]);
+                Assert.AreEqual(expectedValidationMessage, msgs[1]);
                 StringAssert.StartsWith(string.Format("Validatie van '{0}' beëindigd om: ", name), msgs[2]);
             });
             Assert.IsFalse(isValid);
@@ -363,7 +363,7 @@
                 var msgs = messages.ToArray();
                 Assert.AreEqual(3, msgs.Length);
                 StringAssert.StartsWith(string.Format("Validatie van '{0}' gestart om: ", name), msgs[0]);
-                StringAssert.StartsWith(expectedValidationMessage, msgs[1]);
+                Assert.AreEqual(expectedValidationMessage, msgs[1]);
                 StringAssert.StartsWith(string.Format("Validatie van '{0}' beëindigd om: ", name), msgs[2]);
             });
             Assert.IsFalse(isValid);
@@ -410,7 +410,7 @@
                 var msgs = messages.ToArray();
                 Assert.AreEqual(3, msgs.Length);
                 StringAssert.StartsWith(string.Format("Validatie van '{0}' gestart om: ", name), msgs[0]);
-                StringAssert.StartsWith(expectedValidationMessage, msgs[1]);
+                Assert.AreEqual(expectedValidationMessage, msgs[1]);
                 StringAssert.StartsWith(string.Format("Validatie van '{0}' beëindigd om: ", name), msgs[2]);
             });
             Assert.IsFalse(isValid);
@@ -454,7 +454,7 @@
                 var msgs = messages.ToArray();
                 Assert.AreEqual(3, msgs.Length);
                 StringAssert.StartsWith(string.Format("Validatie van '{0}' gestart om: ", name), msgs[0]);
-                StringAssert.StartsWith("Validatie mislukt: Er is geen geldige damhoogte ingevoerd.", msgs[1]);
+                Assert.AreEqual("Validatie mislukt: Er is geen geldige damhoogte ingevoerd.", msgs[1]);
                 StringAssert.StartsWith(string.Format("Validatie van '{0}' beëindigd om: ", name), msgs[2]);
             });
             Assert.IsFalse(isValid);