fix: add NODE_ENV=test to test scripts

Author: bassochette

package.json

@@ -7,9 +7,9 @@
     "build": "tsc",
     "start": "npm run build && node dist/index.js",
     "format": "prettier --write '**/*.ts'",
-    "test": "jest",
-    "test:watch": "jest --watch",
-    "test:coverage": "jest --coverage",
+    "test": "NODE_ENV=test jest",
+    "test:watch": "NODE_ENV=test jest --watch",
+    "test:coverage": "NODE_ENV=test jest --coverage",
     "prepare": "husky install",
     "release": "standard-version"
   },