moving the test task below the source building

.github/workflows/build.yml

@@ -81,9 +81,6 @@ jobs:
       - name: gulp
         run: gulp ci
 
-      - name: test dist
-        run: ls dist
-
       - name: Build sources for reviewers
         shell: cmd
         run: |
@@ -96,6 +93,9 @@ jobs:
           del /S/Q "Source\.git\objects\pack\*"
           call 7z a browser-source-%RUN_NUMBER%.zip "Source\*"
 
+      - name: test dist
+        run: ls dist
+
       - name: Upload opera artifact
         uses: actions/upload-artifact@v2
         with: