Give the suite time to finish so its failures can be counted

.github/workflows/ci.yml

@@ -52,7 +52,7 @@ jobs:
   suite:
     runs-on: ubuntu-latest
     # A hung test must turn red in minutes, not burn GitHub's 6-hour default.
-    timeout-minutes: 30
+    timeout-minutes: 60
     steps:
       - uses: actions/checkout@v4
         with:
@@ -85,4 +85,4 @@ jobs:
       # xdist reports a collection error as a worker crash; collect alone first so it reads as one.
       - run: .venv/bin/pytest --collect-only -q
       # A test stuck past 120 s dumps every thread, so the red names where it hung.
-      - run: .venv/bin/pytest -n auto --basetemp .artifacts/pilots -o faulthandler_timeout=120 -rfE -vv --tb=short
+      - run: .venv/bin/pytest -n auto --basetemp .artifacts/pilots -o faulthandler_timeout=120 -rfE -vv --tb=short --durations=40

tests/conftest.py

@@ -121,6 +121,15 @@ def pytest_collection_modifyitems(config, items):
             item.add_report_section("call", "Recorded defect", note)
 
 
+def pytest_unconfigure(config):
+    """Helpers inherit this process's pipes; the runner reads until they close, so a test
+    whose close failed would otherwise run out its whole timeout after it already reported."""
+    if (attempt := os.environ.get(ATTEMPT)) is not None:
+        from support.processes import stop_test_children
+
+        asyncio.run(stop_test_children(attempt))
+
+
 def pytest_runtest_logreport(report):
     if (path := os.environ.get(RESULT)) is None:
         return