Migrate remoteconfig zip test to zip workflow. (#5996)

* Add remoteconfig test in zip workflow.

Author: granluo

.github/workflows/zip.yml

@@ -60,3 +60,45 @@ jobs:
       run: scripts/upload_to_gcs.sh "${GITHUB_SHA}" "Fail"
     - name: Upload zip file to GCS
       run: scripts/upload_to_gcs.sh "${GITHUB_SHA}" "zip_output_dir"
+
+  quickstart_zip_remoteconfig:
+    # Don't run on private repo.
+    if: github.event_name == 'schedule' && github.repository != 'FirebasePrivate/firebase-ios-sdk'
+    needs: package
+    env:
+      plist_secret: ${{ secrets.GHASecretsGPGPassphrase1 }}
+      signin_secret: ${{ secrets.GHASecretsGPGPassphrase1 }}
+      FRAMEWORK_ZIP: "Firebase-actions-dir.zip"
+      OUTPUT_DIR: "${HOME}/ios_frameworks/"
+      SDK: "Config"
+    runs-on: macOS-latest
+    steps:
+    - name: Get framework zip file
+      uses: actions/download-artifact@v1
+      with:
+        name: Firebase-actions-dir
+    - uses: actions/checkout@v2
+    - name: Pull zip from GCS
+      run: |
+        unzip "${FRAMEWORK_ZIP}" -d "${OUTPUT_DIR}"
+        find "${OUTPUT_DIR}" -name "*.zip" -maxdepth 3 -exec unzip -d "${OUTPUT_DIR}" {} +
+    - name: Setup Swift Quickstart
+      run: SAMPLE="$SDK" TARGET="${SDK}Example" scripts/setup_quickstart_framework.sh \
+                                               "${HOME}"/ios_frameworks/Firebase/FirebaseRemoteConfig/* \
+                                               "${HOME}"/ios_frameworks/Firebase/FirebaseAnalytics/*
+    - name: Install Secret GoogleService-Info.plist
+      run: scripts/decrypt_gha_secret.sh scripts/gha-encrypted/qs-config.plist.gpg \
+        quickstart-ios/config/GoogleService-Info.plist "$plist_secret"
+    - name: Install Secret FIREGSignInInfo.h
+      run: scripts/decrypt_gha_secret.sh scripts/gha-encrypted/FIREGSignInInfo.h.gpg \
+        quickstart-ios/TestUtils/FIREGSignInInfo.h "$signin_secret"
+    - name: Test Swift Quickstart
+      run: ([ -z $plist_secret ] || scripts/third_party/travis/retry.sh scripts/test_quickstart_framework.sh "${SDK}")
+    - name: Remove data before upload
+      if: ${{ failure() }}
+      run: scripts/remove_data.sh config
+    - uses: actions/upload-artifact@v2
+      if: ${{ failure() }}
+      with:
+        name: quickstart_artifacts
+        path: quickstart-ios/