fixup! try a second argument delimiter

Author: timmywil

.github/workflows/node.js.yml

@@ -97,7 +97,7 @@ jobs:
         run: npm run build
 
       - name: Test
-        run: npm run test:unit --headless -b edge -c ${{ matrix.CONFIGS.config }}
+        run: npm run test:unit -- -- --headless -b edge -c ${{ matrix.CONFIGS.config }}
 
   safari:
     runs-on: macos-latest