
gtk_test_init() ends up calling gtk_init() which tries opening the default display. CI jobs sometimes seem to trip over this even when run through xvfb-run. Therefore we use g_test_init() instead.
gtk_test_init() ends up calling gtk_init() which tries opening the default display. CI jobs sometimes seem to trip over this even when run through xvfb-run. Therefore we use g_test_init() instead.