diff --git a/package.json b/package.json
index 44f95ce..b62a9b6 100644
--- a/package.json
+++ b/package.json
@@ -85,7 +85,8 @@
       "**/src/**/*.{ts,tsx}",
       "!**/src/**/index.ts",
       "!**/docs/**"
-    ]
+    ],
+    "testURL": "http://localhost"
   },
   "keywords": [
     "bulma",