private short updateBlobExpirationWithRetry(BlobId blobId, long expirationTime) throws CloudStorageException {
    return cloudRequestAgent.doWithRetries(
        () -> azureDest.updateBlobExpiration(blobId, expirationTime, dummyCloudUpdateValidator), "UpdateBlobExpiration",
        blobId.getPartition().toPathString());
  }
Update blob expiration. Retry with appropriate throttling if required.
@param blobId id of the Ambry blob.
@param expirationTime the new expiration time.
@return updated lifeversion.
@throws CloudStorageException if update encounters an error.
ambry-cloud/src/test/java/com/github/ambry/cloud/azure/AzureIntegrationTest.java