@Parameterized.Parameters
  public static List<Object[]> data() {
    return Arrays.asList(new Object[][]{{MessageFormatRecord.Metadata_Content_Version_V2},
        {MessageFormatRecord.Metadata_Content_Version_V3}});
  }
Running for both regular and encrypted blobs, and versions 2 and 3 of MetadataContent
@return an array with all four different choices
ambry-replication/src/test/java/com/github/ambry/replication/BlobIdTransformerTest.java