test: Add JSONP notation test case for JSON Repair operation

- Add test case to verify JSONP callback wrapper removal
- Validates that callback({name: John, age: 30}) becomes {name: John, age: 30}
- Ensures comprehensive coverage of jsonrepair library features
- Total test cases now: 12 (previously 11)

tests/operations/tests/JSONRepair.mjs

@@ -161,4 +161,15 @@ TestRegister.addTests([
             },
         ],
     },
+    {
+        name: "JSON Repair: JSONP notation",
+        input: 'callback({"name": "John", "age": 30})',
+        expectedOutput: '{"name": "John", "age": 30}',
+        recipeConfig: [
+            {
+                op: "JSON Repair",
+                args: [],
+            },
+        ],
+    },
 ]);