tts/integration_test/tts_integration.py [174:197]:
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        future = client.call_async(request)

        while rclpy.ok():
            rclpy.spin_once(node)
            if future.done():
                self.failIf(future.result() is None, 'nothing is returned')
                break
            print('Waiting for service to be done.')

        res = future.result()

        self.assertIsNotNone(res)
        self.assertTrue(type(res) is Polly.Response)


        r = json.loads(res.result)
        self.assertIn('Audio Type', r, 'result should contain audio type')
        self.assertIn('Audio File', r, 'result should contain file path')
        self.assertIn('Amazon Polly Response Metadata', r, 'result should contain metadata')

        audio_type = r['Audio Type']
        audio_file = r['Audio File']
        md = r['Amazon Polly Response Metadata']
        self.assertTrue("'HTTPStatusCode': 200," in md)
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tts/integration_test/tts_integration.py [220:242]:
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        future = client.call_async(request)

        while rclpy.ok():
            rclpy.spin_once(node)
            if future.done():
                self.failIf(future.result() is None, 'nothing is returned')
                break
            print('Waiting for service to be done.')

        res = future.result()

        self.assertIsNotNone(res)
        self.assertTrue(type(res) is Polly.Response)

        r = json.loads(res.result)
        self.assertIn('Audio Type', r, 'result should contain audio type')
        self.assertIn('Audio File', r, 'result should contain file path')
        self.assertIn('Amazon Polly Response Metadata', r, 'result should contain metadata')

        audio_type = r['Audio Type']
        audio_file = r['Audio File']
        md = r['Amazon Polly Response Metadata']
        self.assertTrue("'HTTPStatusCode': 200," in md)
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