Run DRTs only on public pipeline (#7154)

eng/pipeline.yml

@@ -183,6 +183,7 @@ jobs:
         inputs:
           targetType: 'inline'
           script: '.\eng\copy-wpf.ps1 -testhost -destination .dotnet -$(_BuildConfig) -arch $(_Platform)'
+        condition: eq(variables['System.TeamProject'], 'public')
 
       - task: DownloadPipelineArtifact@2
         displayName: Fetch Test Binaries
@@ -194,6 +195,7 @@ jobs:
           buildId: '34592'
           downloadPath: '$(System.ArtifactsDirectory)\testbinzip\'
           checkDownloadedFiles: true
+        condition: eq(variables['System.TeamProject'], 'public')
 
       - task: CmdLine@2
         displayName: 'List files'
@@ -201,6 +203,7 @@ jobs:
             script: |
                 dir /a-D /S /B
             workingDirectory: '$(System.ArtifactsDirectory)\testbinzip'
+        condition: eq(variables['System.TeamProject'], 'public')
 
       - task: ExtractFiles@1
         displayName: Extract Test Bins
@@ -209,10 +212,13 @@ jobs:
           destinationFolder: '$(System.ArtifactsDirectory)\testbins'
           cleanDestinationFolder: true
           overwriteExistingFiles: true
+        condition: eq(variables['System.TeamProject'], 'public')
 
       - task: PowerShell@2
         displayName: Run Tests
         inputs:
           targetType: 'inline'
           script: '.\CIRunDrts.cmd'
-          workingDirectory: '$(System.ArtifactsDirectory)\testbins'        
\ No newline at end of file
+          workingDirectory: '$(System.ArtifactsDirectory)\testbins'
+        condition: eq(variables['System.TeamProject'], 'public')
+        
\ No newline at end of file