Function skip_if_not_engine

xarray/tests/test_backends.py:5513–5517

(engine)

# using pytest.mark.skipif does not work so this a work around
def skip_if_not_engine(engine):
    if engine == "netcdf4":
        pytest.importorskip("netCDF4")
    else:
        pytest.importorskip(engine)


@requires_dask