[nailgun] test TestReleaseCollectionSorting fails always

[Aleksey Kasatkin]

This blocks our review/merge process.

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ERROR: test_release_collection_order (nailgun.test.unit.test_release_collection_handlers.TestReleaseCollectionSortByFuelVersion)
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Traceback (most recent call last):
  File "/home/akasatkin/fuel-check/fuel-web/nailgun/nailgun/test/unit/test_release_collection_handlers.py", line 279, in test_release_collection_order
    headers=self.default_headers
  File "/home/akasatkin/.virtualenvs/fuel-web/local/lib/python2.7/site-packages/webtest/app.py", line 212, in get
    expect_errors=expect_errors)
  File "/home/akasatkin/.virtualenvs/fuel-web/local/lib/python2.7/site-packages/webtest/app.py", line 521, in do_request
    self._check_status(status, res)
  File "/home/akasatkin/.virtualenvs/fuel-web/local/lib/python2.7/site-packages/webtest/app.py", line 550, in _check_status
    res)
AppError: Bad response: 500 Internal Server Error (not 200 OK or 3xx redirect for http://localhost/api/releases/)

e.g. https://fuel-jenkins.mirantis.com/job/verify-fuel-web/2700/consoleFull

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/130856
Committed: https://git.openstack.org/cgit/stackforge/fuel-web/commit/?id=be04a29839c86e4bfd3b3527598ddcf4012421d6
Submitter: Jenkins
Branch: master

commit be04a29839c86e4bfd3b3527598ddcf4012421d6
Author: Ivan Kliuk <email address hidden>
Date: Fri Oct 24 19:16:46 2014 +0300

    Fix unit tests for releases' collection sorting

    Closes-Bug: #1385258

    Change-Id: Iabd5f0a3919c4cb327cc1f17b3a286a0631b17f8

[Nastya Urlapova (aurlapova)]

https://fuel-jenkins.mirantis.com/job/verify-fuel-web/3973/testReport/nailgun.test.unit.test_release_collection_handlers/TestReleaseCollectionSortByFuelVersion/ -- passed