Removed redundant items, upgraded to laravel 5.6

tests/CreatesApplication.php

@@ -2,6 +2,7 @@
 
 namespace Tests;
 
+use Illuminate\Support\Facades\Hash;
 use Illuminate\Contracts\Console\Kernel;
 
 trait CreatesApplication
@@ -17,6 +18,8 @@ trait CreatesApplication
 
         $app->make(Kernel::class)->bootstrap();
 
+        Hash::driver('bcrypt')->setRounds(4);
+
         return $app;
     }
 }