Android CI Workflow for GitHub Actions - Unit Test Job

android.yml

#...
jobs:
  test:
    name: Unit Test
    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: Run Unit test
        run: ./gradlew test

  apk:
    # ...
  firebase:
    # ...