Index: DamEngine/trunk/src/Deltares.DamEngine.Data.Tests/Geometry/GeometrySurfaceTests.cs
===================================================================
diff -u -r6557 -r6558
--- DamEngine/trunk/src/Deltares.DamEngine.Data.Tests/Geometry/GeometrySurfaceTests.cs	(.../GeometrySurfaceTests.cs)	(revision 6557)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data.Tests/Geometry/GeometrySurfaceTests.cs	(.../GeometrySurfaceTests.cs)	(revision 6558)
@@ -58,7 +58,7 @@
         });
     }
     
-    private GeometryData CreateDonutGeometry()
+    private static GeometryData CreateDonutGeometry()
     {
         var geometryModel = new GeometryData
         {
@@ -96,8 +96,7 @@
         var curve7 = new GeometryCurve(point7, point8);
         var curve8 = new GeometryCurve(point8, point5);
 
-        geometryModel.Points.AddRange(new[]
-        {
+        geometryModel.Points.AddRange([
             point1,
             point2,
             point3,
@@ -106,9 +105,8 @@
             point6,
             point7,
             point8
-        });
-        geometryModel.Curves.AddRange(new[]
-        {
+        ]);
+        geometryModel.Curves.AddRange([
             curve1,
             curve2,
             curve3,
@@ -117,15 +115,15 @@
             curve6,
             curve7,
             curve8
-        });
+        ]);
 
         geometryModel.NewlyEffectedPoints.AddRange(geometryModel.Points);
         geometryModel.NewlyEffectedCurves.AddRange(geometryModel.Curves);
         geometryModel.RegenerateGeometry();
         return geometryModel;
     }
     
-    private GeometryData CreatePointedGeometry()
+    private static GeometryData CreatePointedGeometry()
     {
         var geometryModel = new GeometryData
         {
@@ -148,18 +146,16 @@
         var curve2 = new GeometryCurve(point2, point3);
         var curve3 = new GeometryCurve(point3, point1);
         
-        geometryModel.Points.AddRange(new[]
-        {
+        geometryModel.Points.AddRange([
             point1,
             point2,
             point3
-        });
-        geometryModel.Curves.AddRange(new[]
-        {
+        ]);
+        geometryModel.Curves.AddRange([
             curve1,
             curve2,
             curve3
-        });
+        ]);
 
         geometryModel.NewlyEffectedPoints.AddRange(geometryModel.Points);
         geometryModel.NewlyEffectedCurves.AddRange(geometryModel.Curves);