Update plugin-tests.yml

.github/workflows/plugin-tests.yml

@@ -139,5 +139,5 @@ jobs:
 
       - name: Plugin QUnit
         if: matrix.build_type == 'frontend'
-        run: bundle exec rake plugin:qunit['${{ steps.repo-name.outputs.value }}','1200000']
+        run: LOAD_PLUGINS=1 QUNIT_EMBER_CLI=0 bin/rake "qunit:test['600000','/w/qunit']"
         timeout-minutes: 30