Index: Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.IO.Test/Configurations/ClosingStructuresCalculationConfigurationReaderTest.cs
===================================================================
diff -u -ref881721312166028ed88eaa21dfd1ee8a5cbba4 -r964f8948f0ec59095ea9cc58fdabd706c4b17d22
--- Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.IO.Test/Configurations/ClosingStructuresCalculationConfigurationReaderTest.cs	(.../ClosingStructuresCalculationConfigurationReaderTest.cs)	(revision ef881721312166028ed88eaa21dfd1ee8a5cbba4)
+++ Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.IO.Test/Configurations/ClosingStructuresCalculationConfigurationReaderTest.cs	(.../ClosingStructuresCalculationConfigurationReaderTest.cs)	(revision 964f8948f0ec59095ea9cc58fdabd706c4b17d22)
@@ -305,7 +305,7 @@
             var reader = new ClosingStructuresCalculationConfigurationReader(filePath);
 
             // Call
-            IList<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
+            List<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
 
             // Assert
             Assert.AreEqual(1, readConfigurationItems.Count);
@@ -339,7 +339,7 @@
             var reader = new ClosingStructuresCalculationConfigurationReader(filePath);
 
             // Call
-            IList<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
+            List<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
 
             // Assert
             Assert.AreEqual(1, readConfigurationItems.Count);
@@ -397,7 +397,7 @@
             var reader = new ClosingStructuresCalculationConfigurationReader(filePath);
 
             // Call
-            IList<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
+            List<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
 
             // Assert
             Assert.AreEqual(1, readConfigurationItems.Count);
@@ -453,7 +453,7 @@
             var reader = new ClosingStructuresCalculationConfigurationReader(filePath);
 
             // Call
-            IList<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
+            List<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
 
             // Assert
             Assert.AreEqual(1, readConfigurationItems.Count);
@@ -509,7 +509,7 @@
             var reader = new ClosingStructuresCalculationConfigurationReader(filePath);
 
             // Call
-            IList<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
+            List<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
 
             // Assert
             Assert.AreEqual(1, readConfigurationItems.Count);
@@ -560,7 +560,7 @@
             var reader = new ClosingStructuresCalculationConfigurationReader(filePath);
 
             // Call
-            IList<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
+            List<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
 
             // Assert
             Assert.AreEqual(1, readConfigurationItems.Count);