Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.TestUtil/MacroStabilityInwardsSemiProbabilisticOutputTestFactory.cs
===================================================================
diff -u -rc4c3d9ffd55bea465d56419d1e6ddbfe35fe355a -rc5836107e7d32e9802f3febb60303ea5c0c37484
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.TestUtil/MacroStabilityInwardsSemiProbabilisticOutputTestFactory.cs	(.../MacroStabilityInwardsSemiProbabilisticOutputTestFactory.cs)	(revision c4c3d9ffd55bea465d56419d1e6ddbfe35fe355a)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.TestUtil/MacroStabilityInwardsSemiProbabilisticOutputTestFactory.cs	(.../MacroStabilityInwardsSemiProbabilisticOutputTestFactory.cs)	(revision c5836107e7d32e9802f3febb60303ea5c0c37484)
@@ -19,6 +19,8 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using System;
+
 namespace Ringtoets.MacroStabilityInwards.Data.TestUtil
 {
     /// <summary>
@@ -36,5 +38,22 @@
         {
             return new MacroStabilityInwardsSemiProbabilisticOutput(0, 0, 0, probability, 0, 0);
         }
+
+        /// <summary>
+        /// Creates an instance of <see cref="MacroStabilityInwardsSemiProbabilisticOutput"/>
+        /// with random values that are not <see cref="double.NaN"/>, <see cref="double.PositiveInfinity"/>
+        /// or <see cref="double.NegativeInfinity"/>.
+        /// </summary>
+        /// <returns>A <see cref="MacroStabilityInwardsSemiProbabilisticOutput"/>.</returns>
+        public static MacroStabilityInwardsSemiProbabilisticOutput CreateRandomOutput()
+        {
+            var random = new Random(21);
+            return new MacroStabilityInwardsSemiProbabilisticOutput(random.NextDouble(),
+                                                                    random.NextDouble(),
+                                                                    random.NextDouble(),
+                                                                    random.NextDouble(),
+                                                                    random.NextDouble(),
+                                                                    random.NextDouble());
+        }
     }
 }
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