Index: Riskeer/Piping/test/Riskeer.Piping.IO.Test/Configurations/PipingCalculationConfigurationReaderTest.cs
===================================================================
diff -u -rc49b69c751b0a4ccb7d77cec2ea8449cded7967b -r5711e6acfbac35771ec8d3246dccea5615d65d2e
--- Riskeer/Piping/test/Riskeer.Piping.IO.Test/Configurations/PipingCalculationConfigurationReaderTest.cs	(.../PipingCalculationConfigurationReaderTest.cs)	(revision c49b69c751b0a4ccb7d77cec2ea8449cded7967b)
+++ Riskeer/Piping/test/Riskeer.Piping.IO.Test/Configurations/PipingCalculationConfigurationReaderTest.cs	(.../PipingCalculationConfigurationReaderTest.cs)	(revision 5711e6acfbac35771ec8d3246dccea5615d65d2e)
@@ -529,6 +529,12 @@
                     yield return new TestCaseData("invalidContainingBothSemiProbabilisticAndProbabilistic.xml",
                                                   "Element 'probabilistisch' cannot appear more than once if content model type is \"all\".")
                         .SetName("invalidContainingBothSemiProbabilisticAndProbabilistic");
+                    yield return new TestCaseData("invalidContainingMultipleSemiProbabilistic.xml",
+                                                  "Element 'semi-probabilistisch' cannot appear more than once if content model type is \"all\".")
+                        .SetName("invalidContainingMultipleSemiProbabilistic");
+                    yield return new TestCaseData("invalidContainingMultipleProbabilistic.xml",
+                                                  "Element 'probabilistisch' cannot appear more than once if content model type is \"all\".")
+                        .SetName("invalidContainingMultipleProbabilistic");
                 }
             }
 
Index: Riskeer/Piping/test/Riskeer.Piping.IO.Test/test-data/PipingCalculationConfigurationReader/invalidContainingMultipleProbabilistic.xml
===================================================================
diff -u
--- Riskeer/Piping/test/Riskeer.Piping.IO.Test/test-data/PipingCalculationConfigurationReader/invalidContainingMultipleProbabilistic.xml	(revision 0)
+++ Riskeer/Piping/test/Riskeer.Piping.IO.Test/test-data/PipingCalculationConfigurationReader/invalidContainingMultipleProbabilistic.xml	(revision 5711e6acfbac35771ec8d3246dccea5615d65d2e)
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuratie versie="1">
+  <berekening naam="Calculation">
+    <probabilistisch/>
+    <probabilistisch/>
+  </berekening>
+</configuratie>
\ No newline at end of file
Index: Riskeer/Piping/test/Riskeer.Piping.IO.Test/test-data/PipingCalculationConfigurationReader/invalidContainingMultipleSemiProbabilistic.xml
===================================================================
diff -u
--- Riskeer/Piping/test/Riskeer.Piping.IO.Test/test-data/PipingCalculationConfigurationReader/invalidContainingMultipleSemiProbabilistic.xml	(revision 0)
+++ Riskeer/Piping/test/Riskeer.Piping.IO.Test/test-data/PipingCalculationConfigurationReader/invalidContainingMultipleSemiProbabilistic.xml	(revision 5711e6acfbac35771ec8d3246dccea5615d65d2e)
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuratie versie="1">
+  <berekening naam="Calculation">
+    <semi-probabilistisch/>
+    <semi-probabilistisch/>
+  </berekening>
+</configuratie>
\ No newline at end of file