Add test for refactored openai server (#7161)

test/srt/openai/test_server.py

@@ -0,0 +1,16 @@
+# sglang/test/srt/openai/test_server.py
+import pytest
+import requests
+
+
+def test_health(openai_server: str):
+    r = requests.get(f"{openai_server}/health")
+    assert r.status_code == 200, r.text
+    assert r.text == ""
+
+
+@pytest.mark.xfail(reason="Endpoint skeleton not implemented yet")
+def test_models_endpoint(openai_server: str):
+    r = requests.get(f"{openai_server}/v1/models")
+    # once implemented this should be 200
+    assert r.status_code == 200