@Test
  public void testGarbageInputStream() throws Exception {
    InputAndExpected inputAndExpected = new InputAndExpected(pairList.get(0), null, false);
    assertException(transformer.transform(inputAndExpected.getInput()), MessageFormatException.class);
  }
Tests putting in garbage input in the message inputStream into the transformer
@throws Exception
ambry-replication/src/test/java/com/github/ambry/replication/BlobIdTransformerTest.java