@Test
    public void testAmazonTranscribeUnknownAudio_itIT() throws Exception {
        String file = "it-IT_(We_Are_Having_Class_x2).mp3";
        String expected = "stiamo facendo lezione. stiamo facendo lezione.";
        String xml = getXML(file, PARSER).xml;
        assertContains(expected, xml);
    }
Tests transcribe with an audio file without passing in the source language.
The source language of the file is it-IT (Italian)
tika-parsers/tika-parsers-ml/tika-transcribe-aws/src/test/java/org/apache/tika/parser/transcribe/aws/AmazonTranscribeTest.java