Android CI Workflow for GitHub Actions - Build APK for UI Test

android.yml

# ...
jobs:
  test:
    # ...

  apk:
    name: Generate APK
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - name: set up JDK 1.8
        uses: actions/setup-java@v1
        with:
          java-version: 1.8
      - name: Grant execute permission for gradlew
        run: chmod +x gradlew
      - name: Assemble App APK
        run: ./gradlew assembleDebug
      - name: Upload App APK
        uses: actions/upload-artifact@v1
        with:
          name: app-debug
          path: app/build/outputs/apk/debug/app-debug.apk
      - name: Assemble Android Instrumented Unit Test
        run: ./gradlew assembleDebugAndroidTest
      - name: Upload Android Test APK
        uses: actions/upload-artifact@v1
        with:
          name: app-debug-androidTest
          path: app/build/outputs/apk/androidTest/debug/app-debug-androidTest.apk

  firebase:
    # ...