def METHOD_NAME(kwargs, expectation):
    """Smoke test for _create_foci."""
    with expectation:
        ground_truth_foci, foci_dict = _create_foci(**kwargs)
    if isinstance(expectation, does_not_raise):
        assert all(isinstance(key, int) for key in foci_dict)
        assert all(isinstance(coord, tuple) for coord in ground_truth_foci)