Code review comment for lp:~alecu/ubuntu-sso-client/fix-disconnected-removal

The attempt to merge lp:~alecu/ubuntu-sso-client/fix-disconnected-removal into lp:ubuntu-sso-client failed. Below is the output from the failed tests.

Running test suite for ubuntu_sso
ubuntu_sso.xdg_base_directory.tests.test_common
  TestBaseDirectory
    test_load_config_paths_filter ... [OK]
    test_save_config_path ... [OK]
    test_xdg_cache_home_is_bytes ... [OK]
    test_xdg_data_home_is_bytes ... [OK]
twisted.trial.unittest
  TestCase
    runTest ... [OK]
ubuntu_sso.gtk.tests.test_gui
  BasicTestCase
    runTest ... [OK]
  BasicUbuntuSSOClientTestCase
    test_app_name_is_stored ...
/usr/lib/python2.7/dist-packages/gtk-2.0/gtk/__init__.py:57: GtkWarning: could not open display
  warnings.warn(str(e), _gtk.Warning)
./run-tests: line 57: 21480 Floating point exception(core dumped) `which xvfb-run` u1trial -p "$QT_TESTS_PATH" -i "test_windows.py" "$MODULE"