diff --git a/packages/api-server/api_server/rmf_io/test_rmf_service.py b/packages/api-server/api_server/rmf_io/test_rmf_service.py
index ed0267872..dcd97f4d4 100644
--- a/packages/api-server/api_server/rmf_io/test_rmf_service.py
+++ b/packages/api-server/api_server/rmf_io/test_rmf_service.py
@@ -108,17 +108,17 @@ def tearDownClass(cls) -> None:
         cls._server_thread.join()
         cls.loop.close()
 
-    # def test_call(self):
-    #     async def run():
-    #         result = await self.rmf_service.call("hello")
-    #         self.assertEqual("hello", result)
+    def test_call(self):
+        async def run():
+            result = await self.rmf_service.call("hello")
+            self.assertEqual("hello", result)
 
-    #     self.loop.run_until_complete(run())
+        self.loop.run_until_complete(run())
 
-    # def test_multiple_calls(self):
-    #     async def run():
-    #         tasks = [self.rmf_service.call("hello"), self.rmf_service.call("world")]
-    #         results = await asyncio.gather(*tasks)
-    #         self.assertListEqual(["hello", "world"], list(results))
+    def test_multiple_calls(self):
+        async def run():
+            tasks = [self.rmf_service.call("hello"), self.rmf_service.call("world")]
+            results = await asyncio.gather(*tasks)
+            self.assertListEqual(["hello", "world"], list(results))
 
-    #     self.loop.run_until_complete(run())
+        self.loop.run_until_complete(run())