04:53:22.221 INFO _logging:41 - Starting test ubuntu_system_settings.tests.test_background.BackgroundTestCase.test_that_the_currently_selected_background_comes_from_dbus
04:53:22.224 ERROR content:47 - Could not add content object 'None' due to IO Error: [Errno 2] No such file or directory: '/var/log/syslog'
04:53:22.230 WARNING testcase:175 - Process manager backend unavailable, application snapshot support disabled.
04:53:22.231 INFO _launcher:373 - Attempting to launch application '/usr/bin/system-settings' with arguments '--desktop_file_hint=/usr/share/applications/ubuntu-system-settings.desktop background' as a normal process
04:53:22.247 INFO _launcher:431 - Launching process: ['/usr/bin/system-settings', '-testability', '--desktop_file_hint=/usr/share/applications/ubuntu-system-settings.desktop', 'background']
[1424235205.418612] Loader: Loading modules from: /usr/lib/arm-linux-gnueabihf/mir/client-platform/
[1424235205.419579] Loader: Loading module: /usr/lib/arm-linux-gnueabihf/mir/client-platform/mesa.so
[1424235205.420320] Loader: Loading module: /usr/lib/arm-linux-gnueabihf/mir/client-platform/android.so
[1424235205.421429] Loader: Loading module: /usr/lib/arm-linux-gnueabihf/mir/client-platform/dummy.so
[1424235205.472568] <ERROR> mircommon: Caught exception at Mir/EGL driver boundary (in setSwapInterval): /build/buildd/mir-0.11.0+15.04.20150209.1/src/client/buffer_stream.cpp(283): Throw in function virtual void mir::client::BufferStream::request_and_wait_for_configure(MirSurfaceAttrib, int)
Dynamic exception type: N5boost16exception_detail10clone_implINS0_19error_info_injectorISt11logic_errorEEEE
std::exception::what: Attempt to set swap interval on screencast is invalid