def METHOD_NAME():
    client = boto3.client("polly", region_name=DEFAULT_REGION)
    # Return nothing
    client.put_lexicon(Name="test", Content=LEXICON_XML)
    tests = (("pcm", "audio/pcm"), ("mp3", "audio/mpeg"), ("ogg_vorbis", "audio/ogg"))
    for output_format, content_type in tests:
        resp = client.synthesize_speech(
            LexiconNames=["test"],
            OutputFormat=output_format,
            SampleRate="16000",
            Text="test1234",
            TextType="text",
            VoiceId="Astrid",
        )
        assert resp["ContentType"] == content_type