[serve] Make sure test_imported_backend is ran (#15043)
[serve] Make sure test_imported_backend is ran (#15043)


ray-project/ray,ray-project/ray,pcmoritz/ray-1,ray-project/ray,pcmoritz/ray-1,ray-project/ray,ray-project/ray,pcmoritz/ray-1,ray-project/ray,pcmoritz/ray-1,pcmoritz/ray-1,pcmoritz/ray-1,ray-project/ray,ray-project/ray,pcmoritz/ray-1,pcmoritz/ray-1