Index: test/Plugins/Wti/Wti.Calculation.Test/Wti.Calculation.Test.csproj
===================================================================
diff -u -r3912a159ea7726b8b92966345440c2fff2b297e0 -r9f140a1d7ebc5dfaabd213c626b596ad55f66e56
--- test/Plugins/Wti/Wti.Calculation.Test/Wti.Calculation.Test.csproj	(.../Wti.Calculation.Test.csproj)	(revision 3912a159ea7726b8b92966345440c2fff2b297e0)
+++ test/Plugins/Wti/Wti.Calculation.Test/Wti.Calculation.Test.csproj	(.../Wti.Calculation.Test.csproj)	(revision 9f140a1d7ebc5dfaabd213c626b596ad55f66e56)
@@ -73,9 +73,9 @@
     <Reference Include="System.Core" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="PipingCalculationInputTest.cs" />
-    <Compile Include="PipingCalculationResultTest.cs" />
-    <Compile Include="PipingCalculationTest.cs" />
+    <Compile Include="Piping\PipingCalculationInputTest.cs" />
+    <Compile Include="Piping\PipingCalculationResultTest.cs" />
+    <Compile Include="Piping\PipingCalculationTest.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup>