launching mocha with experimental json modules

Author: antialias

package.json

@@ -15,7 +15,7 @@
     "format": "prettier --write .",
     "format:check": "prettier --check .",
     "lint": "eslint --ignore-path .gitignore .",
-    "test": "mocha"
+    "test": "node --experimental-json-modules node_modules/mocha/bin/mocha"
   },
   "repository": {
     "type": "git",