@pytest.mark.xfail()
@pytest.mark.parametrize('layer', [Delta, ApplyFilterbank])
def test_wrong_data_format(layer):
    _ = layer(data_format='weird_string')
@pytest.mark.xfail()
@pytest.mark.parametrize('layer', [Delta, ApplyFilterbank])
def test_wrong_data_format(layer):
    _ = layer(data_format='weird_string')