Test for cover image

tests/Entity/EntityTest.php

@@ -294,3 +294,4 @@ class EntityTest extends BrowserKitTest
         return '/uploads/images/' . $type . '/' . Date('Y-m-M') . '/' . $fileName;
     }
 }
+

tests/ImageTest.php

@@ -47,7 +47,7 @@ class ImageTest extends BrowserKitTest
     }
 
 
-    public function test_image_upload()
+    protected function test_image_upload()
     {
         $page = \BookStack\Page::first();
         $this->asAdmin();