test_banned_log_messages fails if Impala is not running

verifiers/test_banned_log_messages.py::TestBannedLogMessages::test_no_inaccessible_objects ERROR
verifiers/test_banned_log_messages.py::TestBannedLogMessages::test_no_unsupported_operations ERROR

 generated xml file: /data/jenkins/workspace/impala-private-basic-parameterized/repos/Impala/logs/verifiers/TEST-impala-verifiers.xml 
=========================== short test summary info ============================
ERROR verifiers/test_banned_log_messages.py::TestBannedLogMessages::()::test_no_inaccessible_objects
ERROR verifiers/test_banned_log_messages.py::TestBannedLogMessages::()::test_no_unsupported_operations
==================================== ERRORS ====================================
_____ ERROR at setup of TestBannedLogMessages.test_no_inaccessible_objects _____
common/impala_test_suite.py:226: in setup_class
    cls.create_impala_clients()
common/impala_test_suite.py:327: in create_impala_clients
    cls.client = cls.create_impala_client(protocol='beeswax')
common/impala_test_suite.py:310: in create_impala_client
    client.connect()
common/impala_connection.py:196: in connect
    self.__beeswax_client.connect()
beeswax/impala_beeswax.py:166: in connect
    raise ImpalaBeeswaxException(self.__build_error_message(e), e)
E   ImpalaBeeswaxException: ImpalaBeeswaxException:
E    INNER EXCEPTION: <class 'thrift.transport.TTransport.TTransportException'>
E    MESSAGE: Could not connect to any of [('::1', 21000, 0, 0), ('127.0.0.1', 21000)]
---------------------------- Captured stderr setup -----------------------------
SET client_identifier=verifiers/test_banned_log_messages.py::TestBannedLogMessages::()::test_no_inaccessible_objects;
-- connecting to: localhost:21000
-- 2024-03-15 12:08:43,506 INFO     MainThread: Could not connect to ('::1', 21000, 0, 0)
Traceback (most recent call last):
  File "/data0/jenkins/workspace/impala-private-basic-parameterized/repos/Impala/infra/python/env-gcc10.4.0/lib/python2.7/site-packages/thrift/transport/TSocket.py", line 137, in open
    handle.connect(sockaddr)
  File "/data/jenkins/workspace/impala-private-basic-parameterized/Impala-Toolchain/toolchain-packages-gcc10.4.0/python-2.7.16/lib/python2.7/socket.py", line 228, in meth
    return getattr(self._sock,name)(*args)
error: [Errno 111] Connection refused
-- 2024-03-15 12:08:43,506 INFO     MainThread: Could not connect to ('127.0.0.1', 21000)
Traceback (most recent call last):
  File "/data0/jenkins/workspace/impala-private-basic-parameterized/repos/Impala/infra/python/env-gcc10.4.0/lib/python2.7/site-packages/thrift/transport/TSocket.py", line 137, in open
    handle.connect(sockaddr)
  File "/data/jenkins/workspace/impala-private-basic-parameterized/Impala-Toolchain/toolchain-packages-gcc10.4.0/python-2.7.16/lib/python2.7/socket.py", line 228, in meth
    return getattr(self._sock,name)(*args)
error: [Errno 111] Connection refused
-- 2024-03-15 12:08:43,506 ERROR    MainThread: Could not connect to any of [('::1', 21000, 0, 0), ('127.0.0.1', 21000)]
____ ERROR at setup of TestBannedLogMessages.test_no_unsupported_operations ____
common/impala_test_suite.py:226: in setup_class
    cls.create_impala_clients()
common/impala_test_suite.py:327: in create_impala_clients
    cls.client = cls.create_impala_client(protocol='beeswax')
common/impala_test_suite.py:310: in create_impala_client
    client.connect()
common/impala_connection.py:196: in connect
    self.__beeswax_client.connect()
beeswax/impala_beeswax.py:166: in connect
    raise ImpalaBeeswaxException(self.__build_error_message(e), e)
E   ImpalaBeeswaxException: ImpalaBeeswaxException:
E    INNER EXCEPTION: <class 'thrift.transport.TTransport.TTransportException'>
E    MESSAGE: Could not connect to any of [('::1', 21000, 0, 0), ('127.0.0.1', 21000)]
=========================== 2 error in 0.18 seconds ============================