def METHOD_NAME(mock_packages, mock_fetch):
    """Make sure stage also has --reuse and --fresh flags."""
    stage("--reuse", "trivial-install-test-package")
    assert spack.config.get("concretizer:reuse", None) is True
    stage("--fresh", "trivial-install-test-package")
    assert spack.config.get("concretizer:reuse", None) is False