feat: responses API compliance with upstream type alignment (#6089)

Signed-off-by: Matej Kosec <mkosec@nvidia.com>
Co-authored-by: Ishan Dhanani <ishandhanani@gmail.com>

tests/serve/common.py

@@ -156,6 +156,7 @@ def run_serve_deployment(
                     payload=payload.body,
                     timeout=payload.timeout,
                     method=payload.method,
+                    stream=payload.http_stream,
                 )
                 server_process.check_response(payload, response)
 

tests/serve/test_sglang.py

@@ -23,6 +23,8 @@ from tests.utils.payload_builder import (
     embedding_payload,
     embedding_payload_default,
     metric_payload_default,
+    responses_payload_default,
+    responses_stream_payload_default,
 )
 
 logger = logging.getLogger(__name__)
@@ -60,6 +62,8 @@ sglang_configs = {
         request_payloads=[
             chat_payload_default(),
             completion_payload_default(),
+            responses_payload_default(),
+            responses_stream_payload_default(),
             metric_payload_default(min_num_requests=6, backend="sglang"),
         ],
     ),