{g_unsetenv("DISPLAY");g_unsetenv("DBUS_SESSION_BUS_ADDRESS");g_unsetenv("XDG_RUNTIME_DIR"); set_up_mock_dbus_launch (); print_address (); tear_down_mock_dbus_launch ();return; } g_test_trap_subprocess (NULL,0,0); g_test_trap_assert_stderr_unmatched ("?*"); g_test_trap...