Index: Application/Ringtoets/test/Application.Ringtoets.Storage.Test/DbContext/DbTestSet.cs
===================================================================
diff -u -r4adf3910b91fba2fe6e7f7766836082046ab769a -re6314b0eda3a1b258c4ce336ac1ddd3ada77970b
--- Application/Ringtoets/test/Application.Ringtoets.Storage.Test/DbContext/DbTestSet.cs	(.../DbTestSet.cs)	(revision 4adf3910b91fba2fe6e7f7766836082046ab769a)
+++ Application/Ringtoets/test/Application.Ringtoets.Storage.Test/DbContext/DbTestSet.cs	(.../DbTestSet.cs)	(revision e6314b0eda3a1b258c4ce336ac1ddd3ada77970b)
@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using System.Data.Entity;
 using System.Linq;
 using Rhino.Mocks;
@@ -7,7 +8,7 @@
 {
     public static class DbTestSet
     {
-        public static IDbSet<T> GetDbTestSet<T>(MockRepository mockRepository, IList<T> data) where T : class
+        public static IDbSet<T> GetDbTestSet<T>(MockRepository mockRepository, ObservableCollection<T> data) where T : class
         {
             var queryable = data.AsQueryable();
             var dbSet = mockRepository.StrictMock<IDbSet<T>>();
@@ -16,6 +17,7 @@
             dbSet.Stub(m => m.Expression).Return(queryable.Expression);
             dbSet.Stub(m => m.ElementType).Return(queryable.ElementType);
             dbSet.Stub(m => m.GetEnumerator()).Return(queryable.GetEnumerator());
+            dbSet.Stub(m => m.Local).Return(data);
             return dbSet;
         }
     }