diff --git a/framework/core/tests/Flarum/Api/Handler/IlluminateValidationExceptionHandlerTest.php b/framework/core/tests/Flarum/Api/Handler/IlluminateValidationExceptionHandlerTest.php
index e33c5bdd9..6200dc6ec 100644
--- a/framework/core/tests/Flarum/Api/Handler/IlluminateValidationExceptionHandlerTest.php
+++ b/framework/core/tests/Flarum/Api/Handler/IlluminateValidationExceptionHandlerTest.php
@@ -11,8 +11,10 @@
 namespace Tests\Flarum\Api\Handler;
 
 use Exception;
-use Flarum\Api\Handler\ValidationExceptionHandler;
-use Flarum\Core\Exception\ValidationException;
+use Flarum\Api\Handler\IlluminateValidationExceptionHandler;
+use Illuminate\Contracts\Validation\ValidationException;
+use Illuminate\Validation\Factory;
+use Symfony\Component\Translation\Translator;
 use Tests\Test\TestCase;
 
 class IlluminateValidationExceptionHandlerTest extends TestCase
@@ -21,12 +23,12 @@ class IlluminateValidationExceptionHandlerTest extends TestCase
 
     public function init()
     {
-        $this->handler = new ValidationExceptionHandler;
+        $this->handler = new IlluminateValidationExceptionHandler;
     }
 
     public function test_it_handles_familiar_exceptions()
     {
-        $validException = new ValidationException(['messages']);
+        $validException = new ValidationException($this->makeValidator());
 
         $this->assertFalse($this->handler->manages(new Exception));
         $this->assertTrue($this->handler->manages($validException));
@@ -34,12 +36,26 @@ class IlluminateValidationExceptionHandlerTest extends TestCase
 
     public function test_it_creates_the_desired_output()
     {
-        $this->markTestIncomplete();
-
-        $exception = new ValidationException(['field' => ['Some error']]);
+        $exception = new ValidationException($this->makeValidator(['foo' => ''], ['foo' => 'required']));
 
         $response = $this->handler->handle($exception);
 
         $this->assertEquals(422, $response->getStatus());
+        $this->assertEquals([
+            [
+                'status' => '422',
+                'code' => 'validation_error',
+                'detail' => 'validation.required',
+                'source' => ['pointer' => '/data/attributes/foo']
+            ]
+        ], $response->getErrors());
+    }
+
+    private function makeValidator($data = [], $rules = [])
+    {
+        $translator = new Translator('en');
+        $factory = new Factory($translator);
+
+        return $factory->make($data, $rules);
     }
 }