viewer unit tests are broken

One of the two viewer unit tests is broken and the unit tests are not being run during builds (which is how they broke in the first place).

mfisch@caprica:~/experiments/accomps/accomplishments-viewer/master/tests$ python ./test_example.py
F
======================================================================
FAIL: test_AboutAccomplishmentsViewerDialog_members (__main__.TestExample)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "./test_example.py", line 23, in test_AboutAccomplishmentsViewerDialog_members
    self.assertEqual(self.AboutAccomplishmentsViewerDialog_members, public_members)
AssertionError: Lists differ: ['AboutAccomplishmentsViewerDi... != ['AboutAccomplishmentsViewerDi...

First differing element 1:
get_builder
AboutDialog

Second list contains 4 additional elements.
First extra element 4:
locale

- ['AboutAccomplishmentsViewerDialog', 'get_builder', 'gettext', 'Gtk']
+ ['AboutAccomplishmentsViewerDialog',
+ 'AboutDialog',
+ 'dbusapi',
+ 'gettext',
+ 'locale',
+ 'locale_dir',
+ 'logger',
+ 'logging']

----------------------------------------------------------------------
Ran 1 test in 0.001s

FAILED (failures=1)