Broadcast manager wasn't being tested so I added some.

Small PSA:

I'm in the process of upgrading and this broke my tests from Laravel 5.8. Previously broadcast events where collected by the QueueFake but now they are dispatched.

In Laravel 5.8 Queue::fake() works because \Illuminate\Broadcasting\BroadcastManager::queue in fact uses the queue:

        $this->app->make('queue')->connection($connection)->push On(
            $queue, new BroadcastEvent(clone $event)
        );

In the above, make('queue') would return the \Illuminate\Support\Testing\Fakes\QueueFake and thus collect the broadcast event and I can assert on that, instead the event gets fired now.

The solution is to now use the Bus::fake() on such tests and use the assertDispatched thereon.

Note: the same break would be true when upgrading from any Laravel version < 6.7

@mfn good catch. But I think it's best that we leave it as is here.

@driesvints yes! Not suggesting a change, just wanted to make something google-worthy for others 😄