TestPostgresListenerService - test_handles_missing_system_handler_onnotification

http://maas-ci.internal:8080/job/maas-tester/755/consoleText

[2022-09-23T16:19:02.875Z] ======================================================================
[2022-09-23T16:19:02.875Z] FAIL: maasserver.tests.test_listener.TestPostgresListenerService.test_handles_missing_system_handler_on_notification
[2022-09-23T16:19:02.875Z] maasserver.tests.test_listener.TestPostgresListenerService.test_handles_missing_system_handler_on_notification
[2022-09-23T16:19:02.875Z] ----------------------------------------------------------------------
[2022-09-23T16:19:02.875Z] testtools.testresult.real._StringException: Traceback (most recent call last):
[2022-09-23T16:19:02.875Z] testtools.testresult.real._StringException: Seeds: {{{MAAS_RAND_SEED=e62cc1488766e376 PYTHONHASHSEED=1166233394}}}
[2022-09-23T16:19:02.875Z] Twisted logs: {{{Listening for database notifications.Register Channel sys_test_eof0eoUnregister Channel sys_test_eof0eoConnection closed.}}}
[2022-09-23T16:19:02.875Z]
[2022-09-23T16:19:02.875Z] Traceback (most recent call last):
[2022-09-23T16:19:02.875Z] File "/usr/lib/python3/dist-packages/twisted/internet/defer.py", line 1418, in _inlineCallbacks
[2022-09-23T16:19:02.875Z] result = g.send(result)
[2022-09-23T16:19:02.875Z] File "/run/build/checkout/src/maasserver/tests/test_listener.py", line 86, in wait_notification
[2022-09-23T16:19:02.875Z] returnValue(notice)
[2022-09-23T16:19:02.875Z] File "/usr/lib/python3/dist-packages/twisted/internet/defer.py", line 1362, in returnValue
[2022-09-23T16:19:02.875Z] raise _DefGen_Return(val)
[2022-09-23T16:19:02.875Z] twisted.internet.defer._DefGen_Return: Notify(9429, 'sys_test_eof0eo', 'payload-1zyfwp')
[2022-09-23T16:19:02.875Z]
[2022-09-23T16:19:02.875Z] During handling of the above exception, another exception occurred:
[2022-09-23T16:19:02.875Z]
[2022-09-23T16:19:02.875Z] Traceback (most recent call last):
[2022-09-23T16:19:02.875Z] File "/run/build/checkout/src/maastesting/crochet.py", line 139, in wrapper
[2022-09-23T16:19:02.875Z] return eventual_result.wait(get_timeout())
[2022-09-23T16:19:02.875Z] File "/usr/lib/python3/dist-packages/crochet/_eventloop.py", line 231, in wait
[2022-09-23T16:19:02.875Z] result.raiseException()
[2022-09-23T16:19:02.875Z] File "/usr/lib/python3/dist-packages/twisted/python/failure.py", line 467, in raiseException
[2022-09-23T16:19:02.875Z] raise self.value.with_traceback(self.tb)
[2022-09-23T16:19:02.875Z] File "/usr/lib/python3/dist-packages/twisted/internet/defer.py", line 1418, in _inlineCallbacks
[2022-09-23T16:19:02.875Z] result = g.send(result)
[2022-09-23T16:19:02.875Z] File "/run/build/checkout/src/maasserver/tests/test_listener.py", line 181, in test_handles_missing_system_handler_on_notification
[2022-09-23T16:19:02.875Z] self.assertNotIn(channel, listener.listeners)
[2022-09-23T16:19:02.875Z] File "/run/build/checkout/.ve/lib/python3.8/site-packages/unittest2/case.py", line 1104, in assertNotIn
[2022-09-23T16:19:02.875Z] self.fail(self._formatMessage(msg, standardMsg))
[2022-09-23T16:19:02.875Z] File "/run/build/checkout/.ve/lib/python3.8/site-packages/unittest2/case.py", line 690, in fail
[2022-09-23T16:19:02.875Z] raise self.failureException(msg)
[2022-09-23T16:19:02.875Z] AssertionError: 'sys_test_eof0eo' unexpectedly found in defaultdict(<class 'list'>, {'sys_test_eof0eo': []})