Index: Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/Builders/SoilProfileBuilder1DTest.cs
===================================================================
diff -u -r6afbb616ce84cccaf56617d60c5cd821b00daab0 -r9cdd70c8d4ba76d93b72ef8c1b7df138fa73b0e4
--- Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/Builders/SoilProfileBuilder1DTest.cs	(.../SoilProfileBuilder1DTest.cs)	(revision 6afbb616ce84cccaf56617d60c5cd821b00daab0)
+++ Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/Builders/SoilProfileBuilder1DTest.cs	(.../SoilProfileBuilder1DTest.cs)	(revision 9cdd70c8d4ba76d93b72ef8c1b7df138fa73b0e4)
@@ -35,7 +35,7 @@
         public void Build_WithOutLayers_ThrowsSoilProfileBuilderException()
         {
             // Setup
-            var profileName = "SomeProfile";
+            const string profileName = "SomeProfile";
             var builder = new SoilProfileBuilder1D(profileName, 0.0, 0);
 
             // Call
@@ -49,7 +49,7 @@
         public void Build_WithSingleLayer_ReturnsProfileWithBottomAndALayer()
         {
             // Setup
-            var profileName = "SomeProfile";
+            const string profileName = "SomeProfile";
             var random = new Random(22);
             double bottom = random.NextDouble();
             double top = random.NextDouble();
@@ -76,7 +76,7 @@
         public void Build_WithMultipleLayers_ReturnsProfileWithBottomAndALayer()
         {
             // Setup
-            var profileName = "SomeProfile";
+            const string profileName = "SomeProfile";
             var random = new Random(22);
             double bottom = random.NextDouble();
             double top = bottom + random.NextDouble();