Index: Core/Gui/test/Core.Gui.TestUtil/Core.Gui.TestUtil.csproj
===================================================================
diff -u -rd7ef3a40ed0e346f59abe13a003222804dbd0d41 -r167f4d831b463d77064da0cdab1d4a6b41054e6e
--- Core/Gui/test/Core.Gui.TestUtil/Core.Gui.TestUtil.csproj	(.../Core.Gui.TestUtil.csproj)	(revision d7ef3a40ed0e346f59abe13a003222804dbd0d41)
+++ Core/Gui/test/Core.Gui.TestUtil/Core.Gui.TestUtil.csproj	(.../Core.Gui.TestUtil.csproj)	(revision 167f4d831b463d77064da0cdab1d4a6b41054e6e)
@@ -22,24 +22,13 @@
     <PackageReference Include="NUnit">
       <Version>3.8.1</Version>
     </PackageReference>
+    <PackageReference Include="RhinoMocks">
+      <Version>3.6.1</Version>
+    </PackageReference>
   </ItemGroup>
   <ItemGroup>
-    <Compile Update="Properties\Resources.Designer.cs">
-      <DesignTime>True</DesignTime>
-      <AutoGen>True</AutoGen>
-      <DependentUpon>Resources.resx</DependentUpon>
-    </Compile>
     <Compile Update="TestChartView.cs">
       <SubType>Component</SubType>
     </Compile>
   </ItemGroup>
-  <ItemGroup>
-    <EmbeddedResource Update="Properties\Resources.resx">
-      <Generator>PublicResXFileCodeGenerator</Generator>
-      <LastGenOutput>Resources.Designer.cs</LastGenOutput>
-    </EmbeddedResource>
-  </ItemGroup>
-  <ItemGroup>
-    <Folder Include="Resources\" />
-  </ItemGroup>
 </Project>
\ No newline at end of file
Index: Core/Gui/test/Core.Gui.TestUtil/MainWindowTestHelper.cs
===================================================================
diff -u
--- Core/Gui/test/Core.Gui.TestUtil/MainWindowTestHelper.cs	(revision 0)
+++ Core/Gui/test/Core.Gui.TestUtil/MainWindowTestHelper.cs	(revision 167f4d831b463d77064da0cdab1d4a6b41054e6e)
@@ -0,0 +1,49 @@
+// Copyright (C) Stichting Deltares 2021. All rights reserved.
+//
+// This file is part of Riskeer.
+//
+// Riskeer is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System;
+using System.Drawing;
+using Core.Gui.Forms.Main;
+using Rhino.Mocks;
+
+namespace Core.Gui.TestUtil
+{
+    /// <summary>
+    /// Helper class for dealing with <see cref="IMainWindow"/> dependencies.
+    /// </summary>
+    public static class MainWindowTestHelper
+    {
+        /// <summary>
+        /// Creates a new <see cref="IMainWindow"/> stub.
+        /// </summary>
+        /// <param name="mockRepository">The <see cref="MockRepository"/> to use.</param>
+        /// <returns>The <see cref="IMainWindow"/> stub.</returns>
+        public static IMainWindow CreateMainWindowStub(MockRepository mockRepository)
+        {
+            var mainWindow = mockRepository.Stub<IMainWindow>();
+
+            mainWindow.Stub(mw => mw.ApplicationIcon).Return(SystemIcons.Application);
+            mainWindow.Stub(mw => mw.Handle).Return(IntPtr.Zero);
+
+            return mainWindow;
+        }
+    }
+}
\ No newline at end of file
Fisheye: Tag 167f4d831b463d77064da0cdab1d4a6b41054e6e refers to a dead (removed) revision in file `Core/Gui/test/Core.Gui.TestUtil/Properties/Resources.Designer.cs'.
Fisheye: No comparison available.  Pass `N' to diff?
Fisheye: Tag 167f4d831b463d77064da0cdab1d4a6b41054e6e refers to a dead (removed) revision in file `Core/Gui/test/Core.Gui.TestUtil/Properties/Resources.resx'.
Fisheye: No comparison available.  Pass `N' to diff?
Index: Core/Gui/test/Core.Gui.TestUtil/Resources/TestIcon.ico
===================================================================
diff -u -rd7ef3a40ed0e346f59abe13a003222804dbd0d41 -r167f4d831b463d77064da0cdab1d4a6b41054e6e
Binary files differ