Index: Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/TreeNodeInfos/HydraulicBoundaryDatabaseContextTreeNodeInfoTest.cs
===================================================================
diff -u -ra1bba29ba0d84061cca88da8324957087d564db9 -r9cdd70c8d4ba76d93b72ef8c1b7df138fa73b0e4
--- Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/TreeNodeInfos/HydraulicBoundaryDatabaseContextTreeNodeInfoTest.cs	(.../HydraulicBoundaryDatabaseContextTreeNodeInfoTest.cs)	(revision a1bba29ba0d84061cca88da8324957087d564db9)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/TreeNodeInfos/HydraulicBoundaryDatabaseContextTreeNodeInfoTest.cs	(.../HydraulicBoundaryDatabaseContextTreeNodeInfoTest.cs)	(revision 9cdd70c8d4ba76d93b72ef8c1b7df138fa73b0e4)
@@ -277,7 +277,7 @@
 
             string testFile = Path.Combine(testDataPath, "HRD dutch coast south.sqlite");
 
-            var contextMenuImportHydraulicBoundaryDatabaseIndex = 0;
+            const int contextMenuImportHydraulicBoundaryDatabaseIndex = 0;
 
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);
             var hydraulicBoundaryDatabaseContext = new HydraulicBoundaryDatabaseContext(assessmentSection);
@@ -336,7 +336,7 @@
             // Given
             string testFile = Path.Combine(testDataPath, "empty.sqlite");
 
-            var contextMenuImportHydraulicBoundaryDatabaseIndex = 0;
+            const int contextMenuImportHydraulicBoundaryDatabaseIndex = 0;
 
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);
             var hydraulicBoundaryDatabaseContext = new HydraulicBoundaryDatabaseContext(assessmentSection);
@@ -384,7 +384,7 @@
             // Given
             string testFile = Path.Combine(testDataPathNoHlcd, "HRD dutch coast south.sqlite");
 
-            var contextMenuImportHydraulicBoundaryDatabaseIndex = 0;
+            const int contextMenuImportHydraulicBoundaryDatabaseIndex = 0;
 
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);
             var hydraulicBoundaryDatabaseContext = new HydraulicBoundaryDatabaseContext(assessmentSection);
@@ -433,7 +433,7 @@
             // Given
             string testFile = Path.Combine(testDataPathNoSettings, "HRD dutch coast south.sqlite");
 
-            var contextMenuImportHydraulicBoundaryDatabaseIndex = 0;
+            const int contextMenuImportHydraulicBoundaryDatabaseIndex = 0;
 
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);
             var hydraulicBoundaryDatabaseContext = new HydraulicBoundaryDatabaseContext(assessmentSection);
@@ -482,7 +482,7 @@
             // Given
             string testFile = Path.Combine(testDataPathInvalidSettings, "HRD dutch coast south.sqlite");
 
-            var contextMenuImportHydraulicBoundaryDatabaseIndex = 0;
+            const int contextMenuImportHydraulicBoundaryDatabaseIndex = 0;
 
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);
             var hydraulicBoundaryDatabaseContext = new HydraulicBoundaryDatabaseContext(assessmentSection);
@@ -532,7 +532,7 @@
             string validFile = Path.Combine(testDataPath, "HRD dutch coast south.sqlite");
             var assessmentObserver = mocks.StrictMock<IObserver>();
             var grassCoverErosionOutwardsLocationsObserver = mocks.StrictMock<IObserver>();
-            var contextMenuImportHydraulicBoundaryDatabaseIndex = 0;
+            const int contextMenuImportHydraulicBoundaryDatabaseIndex = 0;
 
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);
             using (var importer = new HydraulicBoundaryDatabaseImporter())