clear resolved event facade on withoutEvents

Author: taylorotwell

src/Illuminate/Foundation/Testing/Concerns/MocksApplicationServices.php

@@ -5,6 +5,7 @@
 use Illuminate\Contracts\Bus\Dispatcher as BusDispatcherContract;
 use Illuminate\Contracts\Events\Dispatcher as EventsDispatcherContract;
 use Illuminate\Contracts\Notifications\Dispatcher as NotificationDispatcher;
+use Illuminate\Support\Facades\Event;
 use Mockery;
 
 trait MocksApplicationServices
@@ -102,6 +103,8 @@ protected function withoutEvents()
             $this->firedEvents[] = $called;
         });
 
+        Event::clearResolvedInstances();
+
         $this->app->instance('events', $mock);
 
         return $this;