integration with -j1

Author: isoos

.github/workflows/all-test.yml

@@ -112,5 +112,10 @@ jobs:
       shell: bash
     - name: Run tests
       if: steps.check_test_dir.outputs.exists == 'true'
-      run: dart test --run-skipped
+      run: |
+        if [[ "${{ matrix.package }}" == "pub_integration" ]]; then
+          dart test -j 1 --run-skipped
+        else
+          dart test --run-skipped
+        fi
       working-directory: pkg/${{matrix.package}}