def METHOD_NAME(self):
    """Checks that hard clipping warning is not raised when not occurring."""
    logging.warning = mock.MagicMock(name='warning')
    _ = input_mixer.ApmInputMixer.Mix(
        self._tmp_path, self._audio_tracks['capture']['filepath'],
        self._audio_tracks['echo_1']['filepath'])
    self.assertNotIn(
        mock.call(input_mixer.ApmInputMixer.HardClippingLogMessage()),
        logging.warning.call_args_list)