Fix OSX tests

  test:

    name: Startup test

    runs-on: macos-latest

    defaults:

      run:

        shell: bash -l {0}

    steps:

    - uses: actions/checkout@v2

      with:

        path: ~/Library/Caches/pip

        # scripts/common_startup.sh creates a conda env for Galaxy containing Python 3.6

        key: pip-cache-3.6-${{ hashFiles('galaxy root/requirements.txt') }}

    - name: Install tox

      run: pip install tox

    - name: Install and activate miniconda  # use this job to test using Python from a conda environment

      uses: conda-incubator/setup-miniconda@v2

      with:

        activate-environment: ''

    - name: Install tox

      run: pip install tox

    - name: run tests

      run: tox -e first_startup

      shell: bash -l {0}  # need this to have CONDA_EXE set

      working-directory: 'galaxy root'