Test for AzDO artifacts generation.

.azure/pipelines/ci.yml

@@ -293,7 +293,9 @@ stages:
         path: artifacts/bin/ANCMv2
       - name: Windows_ANCMIISExpress_Msi
         path: artifacts/bin/AncmIISExpressV2
-        
+      - name: Windows_CompositeImages
+        path: artifacts/bin/Microsoft.AspNetCore.App.Runtime/**/Composite
+
   # Build Windows ARM
   - template: jobs/default-build.yml
     parameters: