static long getExpiryTimeMs(BlobProperties blobProperties) {
    return Utils.getTimeInMsToTheNearestSec(
        Utils.addSecondsToEpochTime(blobProperties.getCreationTimeInMs(), blobProperties.getTimeToLiveInSeconds()));
  }
Gets the expiry time (in ms) as stored by the {@link com.github.ambry.store.BlobStore}.
@param blobProperties the properties of the blob
@return the expiry time (in ms)
ambry-test-utils/src/main/java/com/github/ambry/server/ServerTestUtil.java