def test_fib(funcs):
    """
    Use three test cases to test the correctness of the Fibonnaci Sequence functions:
    
    Parameters
    ----------
    funcs : Different Fibonnaci functions to test


    Returns
    -------
    If the function passes all three test cases, pring the message

    """
    assert funcs(7) == 13
    assert funcs(11) == 89
    assert funcs(13) == 233
    return (funcs.__name__ + " has passed all the test caes " )