Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Service.Test/HeightStructuresCalculationServiceTest.cs
===================================================================
diff -u -r41a37c93cb0b3e36ff7023c9f42b4e6225598b55 -r16cb360eae0014270ebb6700054afdbbd565ae65
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Service.Test/HeightStructuresCalculationServiceTest.cs	(.../HeightStructuresCalculationServiceTest.cs)	(revision 41a37c93cb0b3e36ff7023c9f42b4e6225598b55)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Service.Test/HeightStructuresCalculationServiceTest.cs	(.../HeightStructuresCalculationServiceTest.cs)	(revision 16cb360eae0014270ebb6700054afdbbd565ae65)
@@ -73,7 +73,7 @@
 
             // Call
             bool isValid = false;
-            Action call = () => isValid = new HeightStructuresCalculationService().Validate(calculation, assessmentSectionStub);
+            Action call = () => isValid = HeightStructuresCalculationService.Validate(calculation, assessmentSectionStub);
 
             // Assert
             TestHelper.AssertLogMessages(call, messages =>
@@ -112,7 +112,7 @@
 
             // Call
             bool isValid = false;
-            Action call = () => isValid = new HeightStructuresCalculationService().Validate(calculation, assessmentSectionStub);
+            Action call = () => isValid = HeightStructuresCalculationService.Validate(calculation, assessmentSectionStub);
 
             // Assert
             TestHelper.AssertLogMessages(call, messages =>
@@ -151,7 +151,7 @@
 
             // Call
             bool isValid = false;
-            Action call = () => isValid = new HeightStructuresCalculationService().Validate(calculation, assessmentSectionStub);
+            Action call = () => isValid = HeightStructuresCalculationService.Validate(calculation, assessmentSectionStub);
 
             // Assert
             TestHelper.AssertLogMessages(call, messages =>
@@ -195,7 +195,7 @@
 
             // Call
             bool isValid = false;
-            Action call = () => isValid = new HeightStructuresCalculationService().Validate(calculation, assessmentSectionStub);
+            Action call = () => isValid = HeightStructuresCalculationService.Validate(calculation, assessmentSectionStub);
 
             // Assert
             TestHelper.AssertLogMessages(call, messages =>
@@ -238,7 +238,7 @@
 
             // Call
             bool isValid = false;
-            Action call = () => isValid = new HeightStructuresCalculationService().Validate(calculation, assessmentSectionStub);
+            Action call = () => isValid = HeightStructuresCalculationService.Validate(calculation, assessmentSectionStub);
 
             // Assert
             TestHelper.AssertLogMessages(call, messages =>
@@ -284,7 +284,7 @@
 
             // Call
             bool isValid = false;
-            Action call = () => isValid = new HeightStructuresCalculationService().Validate(calculation, assessmentSectionStub);
+            Action call = () => isValid = HeightStructuresCalculationService.Validate(calculation, assessmentSectionStub);
 
             // Assert
             TestHelper.AssertLogMessages(call, messages =>
@@ -333,7 +333,7 @@
 
             // Call
             bool isValid = false;
-            Action call = () => isValid = new HeightStructuresCalculationService().Validate(calculation, assessmentSectionStub);
+            Action call = () => isValid = HeightStructuresCalculationService.Validate(calculation, assessmentSectionStub);
 
             // Assert
             TestHelper.AssertLogMessages(call, messages =>
@@ -381,7 +381,7 @@
 
             // Call
             bool isValid = false;
-            Action call = () => isValid = new HeightStructuresCalculationService().Validate(calculation, assessmentSectionStub);
+            Action call = () => isValid = HeightStructuresCalculationService.Validate(calculation, assessmentSectionStub);
 
             // Assert
             TestHelper.AssertLogMessages(call, messages =>
@@ -429,7 +429,7 @@
 
             // Call
             bool isValid = false;
-            Action call = () => isValid = new HeightStructuresCalculationService().Validate(calculation, assessmentSectionStub);
+            Action call = () => isValid = HeightStructuresCalculationService.Validate(calculation, assessmentSectionStub);
 
             // Assert
             TestHelper.AssertLogMessages(call, messages =>
@@ -469,7 +469,7 @@
 
             // Call
             bool isValid = false;
-            Action call = () => isValid = new HeightStructuresCalculationService().Validate(calculation, assessmentSectionStub);
+            Action call = () => isValid = HeightStructuresCalculationService.Validate(calculation, assessmentSectionStub);
 
             // Assert
             TestHelper.AssertLogMessages(call, messages =>