Index: Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Data.TestUtil.Test/DuneErosionLocationsTestHelperTest.cs
===================================================================
diff -u -re57e79927485e44d681b0617f17bada42dbfb862 -rcb4c1f4566b0864909cf3a8e821084a4b2412b04
--- Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Data.TestUtil.Test/DuneErosionLocationsTestHelperTest.cs	(.../DuneErosionLocationsTestHelperTest.cs)	(revision e57e79927485e44d681b0617f17bada42dbfb862)
+++ Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Data.TestUtil.Test/DuneErosionLocationsTestHelperTest.cs	(.../DuneErosionLocationsTestHelperTest.cs)	(revision cb4c1f4566b0864909cf3a8e821084a4b2412b04)
@@ -42,7 +42,7 @@
         }
 
         [Test]
-        public void GetAllDuneErosionLocationCalculationsWithOutput_FailureMechanismWithoutHydraulicBoundaryLocationCalculations_ReturnsEmpty()
+        public void GetAllDuneErosionLocationCalculationsWithOutput_FailureMechanismWithoutDuneLocationCalculations_ReturnsEmpty()
         {
             // Setup
             var failureMechanism = new DuneErosionFailureMechanism();
@@ -56,7 +56,7 @@
         }
 
         [Test]
-        public void GetAllDuneErosionLocationCalculationsWithOutput_FailureMechanismWithHydraulicBoundaryCalculations_ReturnsCalculationsWithOutput()
+        public void GetAllDuneErosionLocationCalculationsWithOutput_FailureMechanismWithDuneLocationCalculations_ReturnsCalculationsWithOutput()
         {
             // Setup
             var duneLocations = new[]
@@ -102,5 +102,16 @@
             };
             CollectionAssert.AreEquivalent(expectedObjects, actualObjects);
         }
+
+        [Test]
+        public void AssertDuneLocationCalculationsHaveNoOutputs_FailureMechanismNull_ThrowsArgumentNullException()
+        {
+            // Call
+            TestDelegate call = () => DuneErosionLocationsTestHelper.AssertDuneLocationCalculationsHaveNoOutputs(null);
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(call);
+            Assert.AreEqual("failureMechanism", exception.ParamName);
+        }
     }
 }
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