Restore ESLint rules used for fixture tests.

Author: joshwilsonvu

eslint.config.mjs

@@ -25,10 +25,10 @@ export default tseslint.config(
       "@typescript-eslint/no-explicit-any": "off",
       "@typescript-eslint/no-non-null-assertion": "off",
       "@typescript-eslint/non-nullable-type-assertion-style": "warn",
-      // "no-extra-semi": "off",
-      // "no-mixed-spaces-and-tabs": "off",
-      // "no-new-native-nonconstructor": 1,
-      // "no-new-symbol": "off",
+      "no-extra-semi": "off",
+      "no-mixed-spaces-and-tabs": "off",
+      "no-new-native-nonconstructor": 1,
+      "no-new-symbol": "off",
       "object-shorthand": "warn",
     },
   },