$dispatcher $dispatcher : \Symfony\Component\EventDispatcher\EventDispatcher Type \Symfony\Component\EventDispatcher\EventDispatcher
testEventReceivesTheDispatcherInstanceAsArgument() testEventReceivesTheDispatcherInstanceAsArgument()
testHasListenersWhenAddedCallbackListenerIsRemoved() testHasListenersWhenAddedCallbackListenerIsRemoved()
testGetListenersWhenAddedCallbackListenerIsRemoved() testGetListenersWhenAddedCallbackListenerIsRemoved()
testHasListenersWithoutEventsReturnsFalseAfterHasListenersWithEventHasBeenCalled() testHasListenersWithoutEventsReturnsFalseAfterHasListenersWithEventHasBeenCalled()