Unit test breakages with Babel 2.2.0

[Jun Omae]

The root cause is update to CLDR 28 in Babel 2.2.0.

  Package        Version
  ------------------------------------------------------------------
  Python       : 2.7.3 (default, Jun 22 2015, 19:33:41)
  [GCC 4.6.3]
  Setuptools   : 0.6
  Genshi       : 0.6
  Babel        : 2.2.0
  sqlite3      : 2.6.0 (3.7.9)
  PySqlite     : not installed
  MySQLdb      : not installed
  Psycopg2     : not installed
  SVN bindings : not installed
  Mercurial    : not installed
  Pygments     : not installed
  Textile      : not installed
  Pytz         : 2015.7
  ConfigObj    : not installed
  Docutils     : not installed
  Twill        : not installed
  LXML         : not installed
  coverage     : not installed
  figleaf      : not installed

Variables:
  PATH=/dev/shm/babel-2.2/bin::$PATH
  PYTHONPATH=.::$PYTHONPATH
  TRAC_TEST_DB_URI=
  server-options= -p 3000 -a '*,/home/jun66j5/src/trac-htdigest.txt,auth'  -e

External dependencies:
  Git version: git version 1.7.9.5

python setup.py egg_info
running egg_info
writing requirements to Trac.egg-info/requires.txt
writing Trac.egg-info/PKG-INFO
writing top-level names to Trac.egg-info/top_level.txt
writing dependency_links to Trac.egg-info/dependency_links.txt
writing entry points to Trac.egg-info/entry_points.txt
reading manifest file 'Trac.egg-info/SOURCES.txt'
writing manifest file 'Trac.egg-info/SOURCES.txt'
python ./trac/test.py --skip-functional-tests
SKIP: fine-grained permission tests (ConfigObj not installed)
SKIP: mimeview/tests/pygments (no pygments installed)
SKIP: trac.versioncontrol.web_ui.tests.browser.BrowserModulePermissionsTestCase (no configobj installed)
SKIP: tracopt/perm/tests/authz_policy.py (no configobj installed)
SKIP: tracopt/versioncontrol/svn/tests/svn_fs.py (no svn bindings)
....
======================================================================
FAIL: test_i18n_date_hint (trac.util.tests.datefmt.I18nDateFormatTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/jun66j5/src/tracdev/git/trac/util/tests/datefmt.py", line 961, in test_i18n_date_hint
    ('dd-MM-yyyy', 'dd-MM-y'))
AssertionError: u'd MMM, y' not found in ('dd-MM-yyyy', 'dd-MM-y')

======================================================================
FAIL: test_i18n_datetime_hint (trac.util.tests.datefmt.I18nDateFormatTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/jun66j5/src/tracdev/git/trac/util/tests/datefmt.py", line 935, in test_i18n_datetime_hint
    ('d MMM yyyy HH:mm:ss', 'd MMM y HH:mm:ss'))
AssertionError: u'd MMM y, HH:mm:ss' not found in ('d MMM yyyy HH:mm:ss', 'd MMM y HH:mm:ss')

======================================================================
FAIL: test_i18n_format_date (trac.util.tests.datefmt.I18nDateFormatTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/jun66j5/src/tracdev/git/trac/util/tests/datefmt.py", line 896, in test_i18n_format_date
    datefmt.format_date(t, tzinfo=tz, locale=vi))
AssertionError: u'07-08-2010' != u'7 thg 8, 2010'
- 07-08-2010
+ 7 thg 8, 2010


======================================================================
FAIL: test_i18n_format_datetime (trac.util.tests.datefmt.I18nDateFormatTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/jun66j5/src/tracdev/git/trac/util/tests/datefmt.py", line 864, in test_i18n_format_datetime
    locale=en_GB))
AssertionError: '28 Aug 2010 13:45:56' != u'28 Aug 2010, 13:45:56'

----------------------------------------------------------------------
Ran 1567 tests in 24.575s

FAILED (failures=4)
make: *** [unit-test] Error 1

See ​https://travis-ci.org/edgewall/trac/builds/99973377.