def error_test(scheme, input_values, error):
    """
    :param scheme: Input logic scheme.
    :param input_values: Input combination.
    :param error: Error combination.
    :return: True if scheme has wrong output on input and error combinations.
    """
    nonerror = [0] * scheme.elements()
    if scheme.process(input_values, error) != scheme.process(input_values, nonerror):
        return True
    else:
        return False