heat_tempest_plugin.tests.scenario.test_server_software_config.SoftwareConfigIntegrationTest.test_server_software_config failed with timout error.

Issue

• heat_tempest_plugin.tests.scenario.test_server_software_config.SoftwareConfigIntegrationTest.test_server_software_config failed with timout error.

$ python -m testtools.run heat_tempest_plugin.tests.scenario.test_server_software_config.SoftwareConfigIntegrationTest.test_server_software_config
Tests running...
 ======================================================================
ERROR: heat_tempest_plugin.tests.scenario.test_server_software_config.SoftwareConfigIntegrationTest.test_server_software_config[id-fb2afe23-d1a8-45fc-bf8d-b18fc8412972]
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<Snip>

login as 'cirros' user. default password: 'cubswin:)'. use 'sudo' for root.
so-onfigintegrationtest-577789467-server-n5j4qmrjycwu login:
}}}

Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/heat_tempest_plugin/tests/scenario/test_server_software_config.py", line 173, in test_server_software_config
    self.check_stack()
  File "/usr/lib/python2.7/site-packages/heat_tempest_plugin/tests/scenario/test_server_software_config.py", line 78, in check_stack
    sid, res, 'CREATE_COMPLETE')
  File "/usr/lib/python2.7/site-packages/heat_tempest_plugin/common/test.py", line 338, in _wait_for_resource_status
    raise exceptions.TimeoutException(message)
heat_tempest_plugin.common.exceptions.TimeoutException: Request timed out
Details: Resource dep2b failed to reach CREATE_COMPLETE status within the required time (1200 s).

Ran 1 test in 1286.860s
FAILED (failures=1)