def __exit__(self, unused_type, unused_value, unused_traceback):
    # Flush() uses the frozen timestamp so needs to go first.
    self.Flush()
    self.UnfreezeTimestamp()
Test fetch of single contact.
dataset/ETHPy150Open google/grr/grr/lib/queue_manager.py/QueueManager.__exit__--crossover with--dataset/ETHPy150Open viewfinderco/viewfinder/backend/www/test/fetch_contacts_test.py/FetchContactsTestCase.testSingleContact