Call forgetBootstrappers after test (#53)

(cherry picked from commit ba308fc)

src/Codeception/Module/Laravel.php

@@ -24,6 +24,7 @@
 use Codeception\Subscriber\ErrorHandler;
 use Codeception\TestInterface;
 use Codeception\Util\ReflectionHelper;
+use Illuminate\Console\Application as Artisan;
 use Illuminate\Contracts\Config\Repository as Config;
 use Illuminate\Contracts\Foundation\Application as ApplicationContract;
 use Illuminate\Database\Connection;
@@ -261,6 +262,8 @@ public function _after(TestInterface $test)
             unset($this->app[\Faker\Generator::class]);
             unset($this->app[\Illuminate\Database\Eloquent\Factory::class]);
         }
+
+        Artisan::forgetBootstrappers();
     }
 
     /**