Index: Ringtoets/Common/test/Ringtoets.Common.Service.Test/DesignWaterLevelCalculationServiceTest.cs
===================================================================
diff -u -rc78a5b1d66fba1148ab5880357ce3c20a042c9ed -r248229db928c9e5556be704ed274226f80b4ef19
--- Ringtoets/Common/test/Ringtoets.Common.Service.Test/DesignWaterLevelCalculationServiceTest.cs	(.../DesignWaterLevelCalculationServiceTest.cs)	(revision c78a5b1d66fba1148ab5880357ce3c20a042c9ed)
+++ Ringtoets/Common/test/Ringtoets.Common.Service.Test/DesignWaterLevelCalculationServiceTest.cs	(.../DesignWaterLevelCalculationServiceTest.cs)	(revision 248229db928c9e5556be704ed274226f80b4ef19)
@@ -45,6 +45,16 @@
         private readonly string testDataPath = TestHelper.GetTestDataPath(TestDataPath.Ringtoets.Integration.Service, "HydraRingCalculation");
 
         [Test]
+        public void Constructor_ExpectedValues()
+        {
+            // Call
+            var service = new DesignWaterLevelCalculationService();
+
+            // Assert
+            Assert.IsInstanceOf<HydraulicBoundaryLocationCalculationService<AssessmentLevelCalculationInput>>(service);
+        }
+
+        [Test]
         public void Validate_ValidHydraulicBoundaryDatabasePath_ReturnsTrue()
         {
             // Setup
@@ -117,9 +127,11 @@
                 var testService = (TestHydraRingCalculationService) HydraRingCalculationService.Instance;
 
                 // Call
-                DesignWaterLevelCalculationService.Instance.Calculate(calculationMessageProviderMock,
-                                                                      hydraulicBoundaryLocationMock,
-                                                                      validFilePath, ringId, norm);
+                DesignWaterLevelCalculationService.Instance.Calculate(hydraulicBoundaryLocationMock,
+                                                                      validFilePath,
+                                                                      ringId,
+                                                                      norm,
+                                                                      calculationMessageProviderMock);
 
                 // Assert
                 Assert.AreEqual(testDataPath, testService.HlcdDirectory);
@@ -161,9 +173,11 @@
             using (new HydraRingCalculationServiceConfig())
             {
                 // Call
-                Action call = () => output = DesignWaterLevelCalculationService.Instance.Calculate(calculationMessageProviderMock,
-                                                                                                   hydraulicBoundaryLocationMock,
-                                                                                                   validFilePath, ringId, norm);
+                Action call = () => output = DesignWaterLevelCalculationService.Instance.Calculate(hydraulicBoundaryLocationMock,
+                                                                                                   validFilePath,
+                                                                                                   ringId,
+                                                                                                   norm,
+                                                                                                   calculationMessageProviderMock);
 
                 // Assert
                 TestHelper.AssertLogMessages(call, messages =>