def METHOD_NAME():
    """Unit test to check that values assigned to deprecated parameters are
    correctly reassigned to the replacement parameters.
    """
    mock_input, replacement_params = _mock_args_for_testing_replace_parameter()
    expected_output = {
        "unchanged_param_0": "unchanged_param_0_val",
        "replacement_param_0": "deprecated_param_0_val",
        "replacement_param_1": "deprecated_param_1_val",
        "unchanged_param_1": "unchanged_param_1_val",
    }
    actual_ouput = helpers._transfer_deprecated_param_vals(
        replacement_params,
        mock_input,
    )
    assert actual_ouput == expected_output