diff --git a/src/Illuminate/Foundation/Testing/TestResponse.php b/src/Illuminate/Foundation/Testing/TestResponse.php
index 633c9b45b414..f830cb9ec408 100644
--- a/src/Illuminate/Foundation/Testing/TestResponse.php
+++ b/src/Illuminate/Foundation/Testing/TestResponse.php
@@ -64,6 +64,21 @@ public function assertSuccessful()
         return $this;
     }
 
+    /**
+     * Assert that the response has an OK status code.
+     *
+     * @return $this
+     */
+    public function assertOk()
+    {
+        PHPUnit::assertTrue(
+            $this->isOk(),
+            'Response status code [' . $this->getStatusCode() . '] is not an OK status code.'
+        );
+
+        return $this;
+    }
+
     /**
      * Assert that the response has a not found status code.
      *