disposeEventBusSubscription method

@mustCallSuper void disposeEventBusSubscription()

Closes underlying stream subscription for EventBus

Implementation

@mustCallSuper
void disposeEventBusSubscription() {
  _eventsSubscription?.cancel();
  _testReceivedEventsController.close();

  _receivedEvents.clear();
  _eventsReceivedWhilePaused.clear();
}