diff --git a/NUnit.csproj b/NUnit.csproj
index 2856318..87055bc 100644
--- a/NUnit.csproj
+++ b/NUnit.csproj
@@ -130,7 +130,8 @@
   </Target>
   -->
   <PropertyGroup>
-    <PostBuildEvent>
-    </PostBuildEvent>
+    <PostBuildEvent>if exist $(SolutionDir) cmd /c "del $(SolutionDir)..\..\BuildMaster\ExtensionLib\$(TargetName).bmx"
+
+if exist $(SolutionDir) $(SolutionDir)..\zip -r $(SolutionDir)..\..\BuildMaster\ExtensionLib\$(TargetName).bmx *.*</PostBuildEvent>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/NUnitAppAction.cs b/NUnitAppAction.cs
index 031f0d5..a94bde6 100644
--- a/NUnitAppAction.cs
+++ b/NUnitAppAction.cs
@@ -14,9 +14,10 @@ namespace Inedo.BuildMasterExtensions.NUnit
     /// </summary>
     [ActionProperties(
         "Execute NUnit Tests",
-        "Runs NUnit unit tests on a specified project, assembly, or NUnit file.",
-        "Testing")]
+        "Runs NUnit unit tests on a specified project, assembly, or NUnit file.")]
+    [Tag(Tags.UnitTests)]
     [CustomEditor(typeof(NUnitActionEditor))]
+    [RequiresInterface(typeof(IFileOperationsExecuter))]
     public sealed class NUnitAppAction : UnitTestActionBase
     {
         /// <summary>