'L{_ThreePhaseEvent.addTrigger} should accept C{\'during\'} as a phase, a
callable, and some arguments and add the callable with the arguments to
the during list.'

def test_addDuringTrigger(self):

    self.event.addTrigger('during', self.trigger, self.arg)
    self.assertEqual(self.event.during, [(self.trigger, (self.arg,), {})])
