@Test
  public void testSuccessfulPutDataChunkDeleteCase1() throws Exception {
    testSuccessfulPutDataChunkDelete(ServerErrorCode.BlobNotFound);
  }
Test that even when a composite blob put succeeds, the slipped put data chunks are deleted.
Background deleter hits Blob_Not_Found and swallow the error.
ambry-router/src/test/java/com/github/ambry/router/NonBlockingRouterTest.java