def __init__()

in knack/testsdk/base.py [0:0]


    def __init__(self, cli, method_name, filter_headers=None):
        super().__init__(cli, method_name)
        self.name_replacer = GeneralNameReplacer()
        self.recording_processors = [LargeRequestBodyProcessor(),
                                     LargeResponseBodyProcessor(),
                                     self.name_replacer]
        self.replay_processors = [LargeResponseBodyReplacer()]
        self.filter_headers = filter_headers or []

        test_file_path = inspect.getfile(self.__class__)
        recordings_dir = find_recording_dir(test_file_path)
        live_test = os.environ.get(ENV_LIVE_TEST, None) == 'True'

        self.vcr = vcr.VCR(
            cassette_library_dir=recordings_dir,
            before_record_request=self._process_request_recording,
            before_record_response=self._process_response_recording,
            decode_compressed_response=True,
            record_mode='once' if not live_test else 'all',
            filter_headers=self.filter_headers
        )
        self.vcr.register_matcher('query', self._custom_request_query_matcher)

        self.recording_file = os.path.join(recordings_dir, '{}.yaml'.format(method_name))
        if live_test and os.path.exists(self.recording_file):
            os.remove(self.recording_file)

        self.in_recording = live_test or not os.path.exists(self.recording_file)
        self.test_resources_count = 0
        self.original_env = os.environ.copy()