lp.services.webapp.tests.test_error.TestDatabaseErrorViews.test_disconnectionerror_view_integration fails intermittently/rarely in parallel tests

[Gary Poster]

Very similar to bug 974617 and bug 1003040. See what was done for bug 1003040. We should just go through this file and use the abstraction Francesco added every single time.

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ERROR: lp.services.webapp.tests.test_error.TestDatabaseErrorViews.test_disconnectionerror_view_integration
worker ID: worker-20
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[... buncha stuff not related...]

Traceback (most recent call last):
  File "/var/lib/buildbot/slaves/slave/lucid-devel/build/lib/lp/services/webapp/tests/test_error.py", line 94, in test_disconnectionerror_view_integration
    urllib2.urlopen(url)
  File "/usr/lib/python2.6/urllib2.py", line 126, in urlopen
    return _opener.open(url, data, timeout)
  File "/usr/lib/python2.6/urllib2.py", line 397, in open
    response = meth(req, response)
  File "/usr/lib/python2.6/urllib2.py", line 510, in http_response
    'http', request, response, code, msg, hdrs)
  File "/usr/lib/python2.6/urllib2.py", line 435, in error
    return self._call_chain(*args)
  File "/usr/lib/python2.6/urllib2.py", line 369, in _call_chain
    result = func(*args)
  File "/usr/lib/python2.6/urllib2.py", line 518, in http_error_default
    raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)
HTTPError: HTTP Error 503: Service Unavailable

[Launchpad QA Bot (lpqabot)]

Fixed in stable r15398 (http://bazaar.launchpad.net/~launchpad-pqm/launchpad/stable/revision/15398) by a commit, but not testable.