Trace execution information in dump comparator (#19682)

test/registered/debug_utils/comparator/conftest.py

@@ -1,12 +1,37 @@
+import sys
 import warnings
+from pathlib import Path
 
 warnings.filterwarnings(
     "ignore", message="builtin type Swig.*", category=DeprecationWarning
 )
 
+# Add the test root to sys.path so `registered.debug_utils.comparator.testing_helpers`
+# can be imported by test modules.
+_TEST_ROOT: Path = Path(__file__).resolve().parents[3]
+if str(_TEST_ROOT) not in sys.path:
+    sys.path.insert(0, str(_TEST_ROOT))
+
 import pytest
 
-from sglang.srt.debug_utils.comparator.output_types import report_sink
+from sglang.srt.debug_utils.comparator.report_sink import report_sink
+
+collect_ignore_glob: list[str] = []
+
+
+def pytest_configure(config: pytest.Config) -> None:
+    config.addinivalue_line(
+        "filterwarnings",
+        "ignore:Unknown config option. asyncio_mode:pytest.PytestConfigWarning",
+    )
+    config.addinivalue_line(
+        "filterwarnings",
+        "ignore:builtin type Swig.*:DeprecationWarning",
+    )
+    config.addinivalue_line(
+        "filterwarnings",
+        "ignore:Named tensors and all their associated APIs:UserWarning",
+    )
 
 collect_ignore_glob: list[str] = []