Contains meta data about a message
This data is stored in a hash, separate from the message itself
 public void Create_Default(string number, int metaNumber)
 {
     var id = new RedisQueueId(number);
     var meta = new RedisMetaData(metaNumber);
     var test = new SaveMetaDataCommand(id, meta);
     Assert.Equal(id, test.Id);
     Assert.Equal(meta, test.MetaData);
 }
 public void Create_Default()
 {
     var test = new RedisMetaData(1000);
     Assert.Equal(1000, test.QueueDateTime);
     Assert.NotNull(test.ErrorTracking);
 }