chore: import upstream snapshot with attribution

python/ray/serve/tests/test_persistence.py

@@ -0,0 +1,33 @@
+import ray
+from ray import serve
+from ray._common.test_utils import run_string_as_driver
+
+
+def test_new_driver(serve_instance):
+    run_string_as_driver(
+        """
+import ray
+ray.init(address="{}", namespace="default_test_namespace")
+
+from ray import serve
+
+@serve.deployment
+def driver():
+    return "OK!"
+
+serve.run(driver.bind(), name="app")
+""".format(
+            ray.get_runtime_context().gcs_address,
+        )
+    )
+
+    handle = serve.get_app_handle("app")
+    assert handle.remote().result() == "OK!"
+
+
+if __name__ == "__main__":
+    import sys
+
+    import pytest
+
+    sys.exit(pytest.main(["-v", "-s", __file__]))