FAIL: test_timerfd_select (test.test_os.test_os.TimerfdTests.test_timerfd_select)
FAIL: test_only_active_thread (test.test_external_inspection.TestGetStackTrace.test_only_active_thread)
Re-running test_external_inspection in verbose mode (matching: test_only_active_thread)
FAIL: test_only_active_thread (test.test_external_inspection.TestGetStackTrace.test_only_active_thread)
Re-running test.test_os.test_os in verbose mode (matching: test_timerfd_select)