fix

tests/config/ray-cluster.ray-ft.yaml.template

@@ -187,33 +187,16 @@ data:
     assert(val == "Hello world!")
 
   test_ray_serve_2.py: |
-    import ray
-    import time
-    import sys
-    from ray import serve
-
-    def retry_with_timeout(func, timeout=90):
-        err = None
-        for i in range(timeout):
-            try:
-                print(f"retry iter: {i}")
-                return func()
-            except BaseException as e:
-                err = e
-            finally:
-                time.sleep(1)
-        raise err
-
-    print("Execute ray.init()")
-    retry_with_timeout(lambda: ray.init(address='ray://127.0.0.1:10001', namespace=sys.argv[1]))
-
-    print("Execute serve.start()")
-    retry_with_timeout(lambda:serve.start(detached=True))
+    import requests
 
-    print("Execute ray.get()")
-    val = retry_with_timeout(lambda: ray.get(serve.get_deployment("MyModelDeployment").get_handle().remote()))
-    print(val)
-    assert(val == "Hello world!")
+    try:
+        response = requests.get('http://127.0.0.1:8000', timeout=90)
+        print('Response status code:', response.status_code)
+        print('Response headers:', response.headers)
+        print('Response content:', response.text)
+        assert(response.text == 'Hello world!')
+    except requests.exceptions.RequestException as e:
+        raise SystemExit(e)
 
   test_detached_actor_1.py: |
     import ray