[model-gateway] rename py_test to e2e_test (#16454)

sgl-model-gateway/e2e_test/conftest.py

@@ -0,0 +1,15 @@
+import sys
+from importlib.util import find_spec
+from pathlib import Path
+
+# Only add bindings/python to path if the wheel is not installed (for local development)
+# This ensures CI tests use the installed wheel which contains the Rust extension
+_ROOT = Path(__file__).resolve().parents[1]
+_SRC = _ROOT / "bindings" / "python"
+
+# Check if sglang_router is already installed with the Rust extension
+_wheel_installed = find_spec("sglang_router.sglang_router_rs") is not None
+
+# Only add bindings/python if wheel is not installed (development mode)
+if not _wheel_installed and str(_SRC) not in sys.path:
+    sys.path.insert(0, str(_SRC))