'Test a special key where QKeyEvent::toString works incorrectly.'

@pytest.mark.parametrize('key,    expected', [(Qt.Key_Blue, 'Blue'), (Qt.Key_Backtab, 'Tab'), (Qt.Key_Escape, 'Escape'), (Qt.Key_A, 'A'), (Qt.Key_degree, '\xc2\xb0'), (Qt.Key_Meta, 'Meta')])
def test_normal(self, key, expected):

    assert (utils.key_to_string(key) == expected)
