@VisibleForTesting
  void setCache(SecretCache cache) {
    this.cache = cache;
  }
This load the secret from aws-secrets manager.
@param uri The uri should be of format: aws-sm:///{key-arn-or-name}
@return The secret fetched from AWS.
@throws IOException
ql/src/java/org/apache/hadoop/hive/ql/secrets/AWSSecretsManagerSecretSource.java