Calling nunit explicitly with /noshadow option

Author: JakeGinnivan

appveyor.yml

@@ -23,9 +23,8 @@ build_script:
   - cmd: 7z a "GitVersion_%GitVersion_NuGetVersion%.zip" NuGetCommandLineBuild\Tools\*.*
   - cmd: appveyor PushArtifact "GitVersion_%GitVersion_NuGetVersion%.zip"
 
-test:
-  assemblies:
-    - '**\*.Tests.dll'
+test_script:
+  - nunit-console "GitVersionTask.Tests\bin\%CONFIGURATION%\GitVersionTask.Tests.dll" "GitVersionExe.Tests\bin\%CONFIGURATION%\GitVersionExe.Tests.dll" "GitVersionCore.Tests\bin\%CONFIGURATION%\GitVersionCore.Tests.dll" /noshadow
 
 deploy:
   - provider: NuGet