diff --git a/package.json b/package.json
index 7f1f551..60f96ec 100644
--- a/package.json
+++ b/package.json
@@ -64,6 +64,7 @@
     }
   },
   "jest": {
+    "testURL": "http://localhost",
     "transform": {
       ".ts": "<rootDir>/node_modules/ts-jest/preprocessor.js"
     },