[Filebeat] Timeout waiting for 'log_contains' to be true. Waited 30 seconds.

[andrewvc]

Flaky test observed here: https://beats-ci.elastic.co/job/elastic+beats+pull-request+multijob-linux/339/beat=filebeat,label=ubuntu/testReport/junit/test_ml/Test/test_ml_setup_0/

Error Message
Timeout waiting for 'log_contains' to be true. Waited 30 seconds.
-------------------- >> begin captured stdout << ---------------------
Using elasticsearch: http://elasticsearch:9200
Test setup_flag: True, modules_flag: False

--------------------- >> end captured stdout << ----------------------
Stacktrace
  File "/usr/lib/python2.7/unittest/case.py", line 329, in run
    testMethod()
  File "/go/src/github.com/elastic/beats/filebeat/build/python-env/local/lib/python2.7/site-packages/parameterized/parameterized.py", line 392, in standalone_func
    return func(*(a + p.args), **p.kwargs)
  File "/go/src/github.com/elastic/beats/filebeat/tests/system/test_ml.py", line 46, in test_ml_setup
    self._run_ml_test(setup_flag, modules_flag)
  File "/go/src/github.com/elastic/beats/filebeat/tests/system/test_ml.py", line 136, in _run_ml_test
    max_timeout=30)
  File "/go/src/github.com/elastic/beats/filebeat/tests/system/../../../libbeat/tests/system/beat/beat.py", line 348, in wait_log_contains
    name=name)
  File "/go/src/github.com/elastic/beats/filebeat/tests/system/../../../libbeat/tests/system/beat/beat.py", line 325, in wait_until
    "Waited {} seconds.".format(max_timeout))
Timeout waiting for 'log_contains' to be true. Waited 30 seconds.
-------------------- >> begin captured stdout << ---------------------
Using elasticsearch: http://elasticsearch:9200
Test setup_flag: True, modules_flag: False

--------------------- >> end captured stdout << ----------------------
Standard Output
Using elasticsearch: http://elasticsearch:9200
Test setup_flag: True, modules_flag: False

[ruflin]

First attemp to fix this was done in #9523 by increasing the timeout. Keeping this open to see if it happens again.

[ruflin]

I did not see this again since the fix. Closing this for now. Let's reopen if it happens again.