private void compareChunkBlobIds(long blobSize, List<StoreKey> chunkBlobIds) {
    if (blobSize <= CHUNK_SIZE) {
      Assert.assertNull("chunkBlobIds should be null for simple blob", chunkBlobIds);
    } else {
      Assert.assertEquals("the size of chunk BlobId list should match", blobSize / CHUNK_SIZE + 1, chunkBlobIds.size());
    }
  }
Compare the size of chunk BlobId list with the expected chunk size + metadata chunk.
@param chunkBlobIds List of chunk blob Ids for the composite blob.
ambry-router/src/test/java/com/github/ambry/router/GetManagerTest.java