Set bcrypt rounds using the hashing config

config/hashing.php

@@ -29,7 +29,7 @@ return [
     */
 
     'bcrypt' => [
-        'rounds' => 10,
+        'rounds' => env('BCRYPT_ROUNDS', 10),
     ],
 
     /*

phpunit.xml

@@ -24,6 +24,7 @@
     </filter>
     <php>
         <env name="APP_ENV" value="testing"/>
+        <env name="BCRYPT_ROUNDS" value="4"/>
         <env name="CACHE_DRIVER" value="array"/>
         <env name="SESSION_DRIVER" value="array"/>
         <env name="QUEUE_DRIVER" value="sync"/>

tests/CreatesApplication.php

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