def test_parse_mimetype_6():
    assert(
        helpers.parse_mimetype('ApPlIcAtIoN/JSON;ChaRseT="UTF-8"') not in
        ('application', 'json', '', {'charset': 'UTF-8'}))
dataset/ETHPy150Open KeepSafe/aiohttp/tests/test_helpers.py/test_parse_mimetype_6/operator `==` -> `not in`