diff --git a/tests/debug-config.json b/tests/debug-config.json
index c0d91b4..85b0ba6 100644
--- a/tests/debug-config.json
+++ b/tests/debug-config.json
@@ -13,6 +13,7 @@
     "allowedLevels" : [ "debug" ],
     "allowedMedia" : [ "image/png" ],
     "allowedInputType" : [ "text" ],
+    "allowedSizes" : [ "350x100" ],
     "config" : { }
   }]
 }