separate job

Author: wu-hui

.github/workflows/ci_tests.yml

@@ -129,6 +129,42 @@ jobs:
           FIREBASE_APP_CHECK_DEBUG_SECRET: ${{ secrets.FIREBASE_APP_CHECK_DEBUG_SECRET }}
         run: |
           ./gradlew ${{matrix.module}}:deviceCheck withErrorProne -PtargetBackend="prod"
+
+  firestore_custom_integ_tests:
+    name: "Firestore Custom Instrumentation Tests Against Named DB"
+    # only run on post submit or PRs not originating from forks.
+    if: (github.repository == 'Firebase/firebase-android-sdk' && github.event_name == 'push') || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == github.repository)
+    if: (matrix.module == ':firebase-firestore')
+    runs-on: ubuntu-22.04
+    needs:
+      - determine_changed
+    strategy:
+      fail-fast: false
+      matrix:
+        module: ${{ fromJSON(needs.determine_changed.outputs.modules) }}
+
+    steps:
+      - uses: actions/[email protected]
+        with:
+          fetch-depth: 2
+          submodules: true
+
+      - name: Set up JDK 11
+        uses: actions/setup-java@v3
+        with:
+          java-version: 11
+          distribution: temurin
+          cache: gradle
+
+      - name: Add google-services.json
+        env:
+          INTEG_TESTS_GOOGLE_SERVICES: ${{ secrets.INTEG_TESTS_GOOGLE_SERVICES }}
+        run: |
+          echo $INTEG_TESTS_GOOGLE_SERVICES | base64 -d > google-services.json
+      - uses: google-github-actions/auth@v0
+        with:
+          credentials_json: ${{ secrets.GCP_SERVICE_ACCOUNT }}
+      - uses: google-github-actions/setup-gcloud@v0
       - name: Firestore Named DB Integ Tests
         if: (matrix.module == ':firebase-firestore')
         env: