def bind(self, event, callback):
        self._emitter.subscribe(event, callback)
Test to sets values in the org.gnome.desktop.interface schema
dataset/ETHPy150Open benoitc/gaffer/gaffer/httpclient/websocket.py/GafferSocket.bind--crossover with--dataset/ETHPy150Open saltstack/salt/tests/unit/states/gnomedesktop_test.py/GnomedesktopTestCase.test_desktop_interface