Fix test_join_url_variations to match _join_url function signature

Author: Prachig-Microsoft

src/tests/ContentProcessorWorkflow/utils/test_http_simple.py

@@ -70,8 +70,8 @@ def test_join_url_variations(self):
         result = _join_url("https://api.example.com/", "/users")
         assert result == "https://api.example.com/users"
 
-        # Multiple segments
-        result = _join_url("https://api.example.com", "v1", "users", "123")
+        # Multiple segments (pre-concatenated)
+        result = _join_url("https://api.example.com", "v1/users/123")
         assert result == "https://api.example.com/v1/users/123"
 
         # Empty segments