[2021/05/24 23:31:02.681] ERROR [0.002s]: test_read_concern (test_cursor.TestRawBatchCursor)
 [2021/05/24 23:31:02.681] ----------------------------------------------------------------------
 [2021/05/24 23:31:02.681] Traceback (most recent call last):
 [2021/05/24 23:31:02.681]   File "/data/mci/8e8de2a92e6b21efa67ab6069ad26cd1/src/test/__init__.py", line 486, in wrap
 [2021/05/24 23:31:02.681]     return f(*args, **kwargs)
 [2021/05/24 23:31:02.681]   File "/data/mci/8e8de2a92e6b21efa67ab6069ad26cd1/src/test/test_cursor.py", line 1533, in test_read_concern
 [2021/05/24 23:31:02.681]     next(c.find_raw_batches())
 [2021/05/24 23:31:02.681]   File "/data/mci/8e8de2a92e6b21efa67ab6069ad26cd1/src/pymongo/cursor.py", line 1214, in next
 [2021/05/24 23:31:02.681]     if len(self.__data) or self._refresh():
 [2021/05/24 23:31:02.681]   File "/data/mci/8e8de2a92e6b21efa67ab6069ad26cd1/src/pymongo/cursor.py", line 1132, in _refresh
 [2021/05/24 23:31:02.681]     self.__send_message(q)
 [2021/05/24 23:31:02.681]   File "/data/mci/8e8de2a92e6b21efa67ab6069ad26cd1/src/pymongo/cursor.py", line 1009, in __send_message
 [2021/05/24 23:31:02.681]     address=self.__address)
 [2021/05/24 23:31:02.681]   File "/data/mci/8e8de2a92e6b21efa67ab6069ad26cd1/src/pymongo/mongo_client.py", line 1421, in _run_operation_with_response
 [2021/05/24 23:31:02.682]     exhaust=exhaust)
 [2021/05/24 23:31:02.682]   File "/data/mci/8e8de2a92e6b21efa67ab6069ad26cd1/src/pymongo/mongo_client.py", line 1520, in _retryable_read
 [2021/05/24 23:31:02.682]     return func(session, server, sock_info, slave_ok)
 [2021/05/24 23:31:02.682]   File "/data/mci/8e8de2a92e6b21efa67ab6069ad26cd1/src/pymongo/mongo_client.py", line 1415, in _cmd
 [2021/05/24 23:31:02.682]     unpack_res)
 [2021/05/24 23:31:02.682]   File "/data/mci/8e8de2a92e6b21efa67ab6069ad26cd1/src/pymongo/server.py", line 136, in run_operation_with_response
 [2021/05/24 23:31:02.682]     _check_command_response(first, sock_info.max_wire_version)
 [2021/05/24 23:31:02.682]   File "/data/mci/8e8de2a92e6b21efa67ab6069ad26cd1/src/pymongo/helpers.py", line 166, in _check_command_response
 [2021/05/24 23:31:02.682]     raise OperationFailure(errmsg, code, response, max_wire_version)
 [2021/05/24 23:31:02.682] OperationFailure: Storage engine does not support read concern: { readConcern: { level: "majority" } }, full error: {u'codeName': u'ReadConcernMajorityNotEnabled', u'code': 148, u'ok': 0.0, u'errmsg': u'Storage engine does not support read concern: { readConcern: { level: "majority" } }'}