gh-125620: Skip check_resource_tracker_death on NetBSD due to long wait for SIGKILL process termination (GH-125621)

* Skip test_resource_tracker_sigkill on NetBSD
(cherry picked from commit a0f5c8e)

Co-authored-by: Furkan Onder <[email protected]>

Author: furkanonder

Lib/test/_test_multiprocessing.py

@@ -5747,6 +5747,8 @@ def test_resource_tracker_sigterm(self):
         # Catchable signal (ignored by semaphore tracker)
         self.check_resource_tracker_death(signal.SIGTERM, False)
 
+    @unittest.skipIf(sys.platform.startswith("netbsd"),
+                     "gh-125620: Skip on NetBSD due to long wait for SIGKILL process termination.")
     def test_resource_tracker_sigkill(self):
         # Uncatchable signal.
         self.check_resource_tracker_death(signal.SIGKILL, True)