Added \Hash::setRounds(5); for faster testing suite

Before
Time: 6.39 seconds, Memory: 24.00MB

After
Time: 866 ms, Memory: 24.00MB

tests/CreatesApplication.php

@@ -16,6 +16,7 @@ trait CreatesApplication
         $app = require __DIR__.'/../bootstrap/app.php';
 
         $app->make(Kernel::class)->bootstrap();
+        \Hash::setRounds(5);
 
         return $app;
     }