Timeout with signal rather than thread to avoid crashing xdist worker node

Author: tsmith023

pytest.ini

@@ -1,5 +1,5 @@
 [pytest]
-addopts = -m 'not profiling' --benchmark-skip -l --timeout=300 --timeout_method=thread
+addopts = -m 'not profiling' --benchmark-skip -l --timeout=300 --timeout_method=signal
 markers =
     profiling: marks tests that can be profiled
 asyncio_default_fixture_loop_scope = function