GitHub Action for Flutter app using macOS and running Flutter tests

main.yml

on:
  push:
    branches:
      - '*'

jobs:
  build-and-test:
    runs-on: macOS-latest

    steps:
      - uses: actions/checkout@v2

      - uses: actions/setup-java@v1
        with:
          java-version: '12.x'

      - uses: subosito/flutter-action@v1
        with:
          channel: 'stable'

      # Get flutter packages
      - run: flutter pub get

      # Run unit, widget, and drive tests
      - run: make test_unit test_widget