chore: import upstream snapshot with attribution

python/ray/tests/unit/conftest.py

@@ -0,0 +1,11 @@
+import pytest
+
+import ray
+
+
+@pytest.fixture(autouse=True)
+def disallow_ray_init(monkeypatch):
+    def raise_on_init():
+        raise RuntimeError("Unit tests should not depend on Ray being initialized.")
+
+    monkeypatch.setattr(ray, "init", raise_on_init)