def _user_cert_subject(user_id, project_id):
    return FLAGS.user_cert_subject % (project_id, user_id, utils.isotime())
Test that the prefetch size specified is honoured
dataset/ETHPy150Open nii-cloud/dodai-compute/nova/crypto.py/_user_cert_subject--crossover with--dataset/ETHPy150Open tweetdeck/txAMQP/src/txamqp/test/test_basic.py/BasicTests.test_qos_prefetch_size