private List<StoreKey> getKeys(int keySize, int numberOfKeys) {
    List<StoreKey> keys = new ArrayList<StoreKey>();
    for (int i = 0; i < numberOfKeys; i++) {
      MockId mockId = new MockId(TestUtils.getRandomString(keySize));
      keys.add(mockId);
    }
    return keys;
  }
Tests UpdateRecord V3 for serialization and deserialization
@throws IOException
@throws MessageFormatException
ambry-messageformat/src/test/java/com/github/ambry/messageformat/MessageFormatRecordTest.java