def _test_atlas_reader(basename):
    """Check that (test cells) and (test contents ==> cells) are the same."""
    converted, expected = _test_reader(basename, 'atlas')

    # Assert all cells are identical except the outputs which are lost
    # in translation.
    assert _remove_output(converted) == _remove_output(expected)
Check that (test cells) and (test contents ==> cells) are the same.
ipymd/formats/tests/test_atlas.py