gh-109357: Fix test_monitoring.test_gh108976() (#109358)

The test now calls free_tool_id() so it can be run multiple times in
the same process. For example, the following command no longer fails:

    python -m test test_monitoring -R 3:3

diff --git a/Lib/test/test_monitoring.py b/Lib/test/test_monitoring.py
index a4725be21706ff18cf54974764e01f327349774c..575862b13d7f99fa3f650cc9f12637b55920a94c 100644 (file)
--- a/Lib/test/test_monitoring.py
+++ b/Lib/test/test_monitoring.py
@@ -1721,6 +1721,7 @@ class TestRegressions(MonitoringTestBase, unittest.TestCase):
 
     def test_gh108976(self):
         sys.monitoring.use_tool_id(0, "test")
+        self.addCleanup(sys.monitoring.free_tool_id, 0)
         sys.monitoring.set_events(0, 0)
         sys.monitoring.register_callback(0, E.LINE, lambda *args: sys.monitoring.set_events(0, 0))
         sys.monitoring.register_callback(0, E.INSTRUCTION, lambda *args: 0)