[hotfix] Fix pytest dependency in test_utils (#27956)

import pytest in test_utils breaks a bunch of test.

dashboard/modules/snapshot/tests/conftest.py

@@ -1 +1 @@
-from ray._private.test_utils import set_override_dashboard_url  # noqa: F401
+from ray._private.conftest_utils import set_override_dashboard_url  # noqa: F401

python/ray/_private/conftest_utils.py

@@ -0,0 +1,14 @@
+import pytest
+import ray._private.ray_constants as ray_constants
+
+
+@pytest.fixture
+def set_override_dashboard_url(monkeypatch, request):
+    override_url = getattr(request, "param", "https://external_dashboard_url")
+    with monkeypatch.context() as m:
+        if override_url:
+            m.setenv(
+                ray_constants.RAY_OVERRIDE_DASHBOARD_URL,
+                override_url,
+            )
+        yield

python/ray/_private/test_utils.py

@@ -20,14 +20,12 @@
 import grpc
 import numpy as np
 import psutil  # We must import psutil after ray because we bundle it with ray.
-import pytest
 import yaml
 from grpc._channel import _InactiveRpcError
 
 import ray
 import ray._private.gcs_utils as gcs_utils
 import ray._private.memory_monitor as memory_monitor
-import ray._private.ray_constants as ray_constants
 import ray._private.services
 import ray._private.utils
 from ray._private.gcs_pubsub import GcsErrorSubscriber, GcsLogSubscriber
@@ -48,18 +46,6 @@ def text_string_to_metric_families(*args, **kwargs):
         raise ModuleNotFoundError("`prometheus_client` not found")
 
 
-@pytest.fixture
-def set_override_dashboard_url(monkeypatch, request):
-    override_url = getattr(request, "param", "https://external_dashboard_url")
-    with monkeypatch.context() as m:
-        if override_url:
-            m.setenv(
-                ray_constants.RAY_OVERRIDE_DASHBOARD_URL,
-                override_url,
-            )
-        yield
-
-
 class RayTestTimeoutException(Exception):
     """Exception used to identify timeouts from test utilities."""
 

python/ray/tests/conftest.py

@@ -21,17 +21,17 @@
 import ray
 import ray._private.ray_constants as ray_constants
 import ray.util.client.server.server as ray_client_server
+from ray._private.conftest_utils import set_override_dashboard_url  # noqa: F401
 from ray._private.runtime_env.pip import PipProcessor
 from ray._private.runtime_env.plugin_schema_manager import RuntimeEnvPluginSchemaManager
 from ray._private.services import (
     REDIS_EXECUTABLE,
     _start_redis_instance,
 )
-from ray._private.test_utils import (  # noqa: F401
+from ray._private.test_utils import (
     get_and_run_node_killer,
     init_error_pubsub,
     init_log_pubsub,
-    set_override_dashboard_url,
     setup_tls,
     teardown_tls,
     enable_external_redis,