Index: Ringtoets/Integration/test/Ringtoets.Integration.Data.Test/Assembly/AssessmentSectionAssemblyFactoryTest.cs
===================================================================
diff -u -ra90ecfec7dc128234360d4a55ee646928c133b75 -r77f6f342957303bd16538c7c4060ab502720045d
--- Ringtoets/Integration/test/Ringtoets.Integration.Data.Test/Assembly/AssessmentSectionAssemblyFactoryTest.cs	(.../AssessmentSectionAssemblyFactoryTest.cs)	(revision a90ecfec7dc128234360d4a55ee646928c133b75)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Data.Test/Assembly/AssessmentSectionAssemblyFactoryTest.cs	(.../AssessmentSectionAssemblyFactoryTest.cs)	(revision 77f6f342957303bd16538c7c4060ab502720045d)
@@ -417,7 +417,11 @@
             {
                 var calculatorfactory = (TestAssemblyToolCalculatorFactory) AssemblyToolCalculatorFactory.Instance;
                 AssessmentSectionAssemblyCalculatorStub calculator = calculatorfactory.LastCreatedAssessmentSectionAssemblyCalculator;
-                calculator.CombinedFailureMechanismSectionAssemblyOutput = new CombinedFailureMechanismSectionAssembly[0];
+                calculator.CombinedFailureMechanismSectionAssemblyOutput = new[]
+                {
+                    CreateCombinedFailureMechanismSectionAssembly(assessmentSection, 20),
+                    CreateCombinedFailureMechanismSectionAssembly(assessmentSection, 21)
+                };
 
                 // Call
                 CombinedFailureMechanismSectionAssemblyResult[] output = AssessmentSectionAssemblyFactory.AssembleCombinedPerFailureMechanismSection(assessmentSection)
@@ -513,6 +517,17 @@
             }
         }
 
+        private static CombinedFailureMechanismSectionAssembly CreateCombinedFailureMechanismSectionAssembly(AssessmentSection assessmentSection, int seed)
+        {
+            var random = new Random(seed);
+            return new CombinedFailureMechanismSectionAssembly(new CombinedAssemblyFailureMechanismSection(random.NextDouble(),
+                                                                                                           random.NextDouble(),
+                                                                                                           random.NextEnumValue<FailureMechanismSectionAssemblyCategoryGroup>()),
+                                                               assessmentSection.GetFailureMechanisms()
+                                                                                .Where(fm => fm.IsRelevant)
+                                                                                .Select(fm => random.NextEnumValue<FailureMechanismSectionAssemblyCategoryGroup>()).ToArray());
+        }
+
         private static void AssertGroup1And2FailureMechanismInputs(AssessmentSection assessmentSection,
                                                                    FailureMechanismAssembly expectedFailureMechanismAssembly,
                                                                    AssessmentSectionAssemblyCalculatorStub assessmentSectionAssemblyCalculator)