def test_bad_value_vsftpd_octal_mode_validate(arg):
    with pytest.raises(errors.AnsibleFilterError) as errorInfo:
        vsftpd_octal_mode_validate(arg)

    assert 'Invalid value: ' in str(errorInfo.value)
def test_valid_vsftpd_octal_mode_validate(arg):
    assert vsftpd_octal_mode_validate(arg) == '0754'