commitlog_test.py::TestCommitLog::test_stop_failure_policy failed

AssertionError: Cannot find the commitlog failure message in logs
assert []
self = <commitlog_test.TestCommitLog object at 0x7f1bf1cb3f50>

    def test_stop_failure_policy(self):
        """
        Test the stop commitlog failure policy (default one)
        """
        self.prepare()
    
        self._provoke_commitlog_failure()
        failure = self.node1.grep_log("Failed .+ commit log segments. Commit disk failure policy is stop; terminating thread")
        logger.debug(failure)
>       assert failure, "Cannot find the commitlog failure message in logs"
E       AssertionError: Cannot find the commitlog failure message in logs
E       assert []

commitlog_test.py:325: AssertionError