[3.13] [tests] test_subprocess maybe avoid a timeout race condition? (GH-133420) (#133421)

miss-islington · gpshead · web-flow · commit e89ca3991c74 · 2025-05-05T04:25:41.000Z
[tests] test_subprocess maybe avoid a timeout race condition? (GH-133420) The few buildbot failures on #133103 are possibly just due to racing a child process launch and exit? (cherry picked from commit b64aa30) Co-authored-by: Gregory P. Smith <greg@krypto.org>
diff --git a/Lib/test/test_subprocess.py b/Lib/test/test_subprocess.py
@@ -163,13 +163,13 @@ def test_call_timeout(self):
 
     def test_timeout_exception(self):
         try:
-            subprocess.run(['echo', 'hi'], timeout = -1)
+            subprocess.run([sys.executable, '-c', 'import time;time.sleep(9)'], timeout = -1)
         except subprocess.TimeoutExpired as e:
             self.assertIn("-1 seconds", str(e))
         else:
             self.fail("Expected TimeoutExpired exception not raised")
         try:
-            subprocess.run(['echo', 'hi'], timeout = 0)
+            subprocess.run([sys.executable, '-c', 'import time;time.sleep(9)'], timeout = 0)
         except subprocess.TimeoutExpired as e:
             self.assertIn("0 seconds", str(e))
         else:
