on: push
jobs:
  a:
    strategy:
      matrix:
        a:
        - env:
              key1: ${{'val'}}1
        - ${{fromJSON('[{"env":{"key2":"val2"}},{"env":{"key3":"val3"}}]')}}
    runs-on: ubuntu-latest
    steps:
    - run: exit ${{ (matrix.a.env.key2 == 'val2' || matrix.a.env.key1 == 'val1' || matrix.a.env.key3 == 'val3' ) && '0' || '1' }}