GNOME on-screen keyboard is broken without the X11 XTEST extensions
Sep 16 08:05:27 amnesia caribou: g_object_unref: assertion 'G_IS_OBJECT (object)' failed Sep 16 08:07:57 amnesia org.gnome.Shell.desktop: Xlib: extension "XTEST" missing on display ":1".
Feature Branch: bugfix/14675-re-enable-X11-testing-extension
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