Index: dam engine/trunk/src/Deltares.DamEngine.Calculators.Tests/Deltares.DamEngine.Calculators.Tests.csproj
===================================================================
diff -u -r643 -r680
--- dam engine/trunk/src/Deltares.DamEngine.Calculators.Tests/Deltares.DamEngine.Calculators.Tests.csproj	(.../Deltares.DamEngine.Calculators.Tests.csproj)	(revision 643)
+++ dam engine/trunk/src/Deltares.DamEngine.Calculators.Tests/Deltares.DamEngine.Calculators.Tests.csproj	(.../Deltares.DamEngine.Calculators.Tests.csproj)	(revision 680)
@@ -44,6 +44,7 @@
     <Reference Include="System.Xml.Linq" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="KernelWrappers\Common\DamPipingHelperTests.cs" />
     <Compile Include="KernelWrappers\DamMacroStability\DamMacroStabilityKernelWrapperTests.cs" />
     <Compile Include="KernelWrappers\DamPipingSellmeijer4Forces\DamPipingSellmeijer4ForcesKernelWrapperTests.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
@@ -63,6 +64,7 @@
       <Link>Copying.AGPL.licenseheader</Link>
     </None>
   </ItemGroup>
+  <ItemGroup />
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.