[cicd] try to fix bazel cache

Author: wangxiyu191

.github/workflows/test-opensrc.yml

@@ -55,16 +55,18 @@ jobs:
           path: |
             /root/.cache/
           key: ${{ runner.os }}-unittest-cache
-#      - uses: bazel-contrib/setup-bazel@0.18.0
-#        with:
-#          bazelisk-cache: true
-#          disk-cache: ${{ runner.os }}-${{ github.workflow }}-integration_test
-#          repository-cache: true
-#          cache-save: ${{ github.event_name != 'pull_request' }}
+      - uses: bazel-contrib/setup-bazel@0.18.0
+        with:
+          bazelisk-cache: true
+          disk-cache: ${{ runner.os }}-${{ github.workflow }}-integration_test
+          repository-cache: true
+          cache-save: ${{ github.event_name != 'pull_request' }}
       - name: bazel_test
         run: |
           set -x
           set -e
+          du -h -d 3 /${HOME}/.cache/
+          df -h
           bazelisk test //integration_test/... --cache_test_results=no --test_output=errors
           ls -alh ./
           du -h -d 3 /${HOME}/.cache/