trace: make test timeout after 2min

Before this commit, the test was hanging forever when
run on a Windows host. This should resolve that issue.

Signed-off-by: Daniel Kutik <daniel.kutik@lavawerk.com>
Change-Id: Id9ea6d54926b797db3d2978a2ae2930088201eec
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/353125
Reviewed-by: Mike Frysinger <vapier@google.com>

tests/test_git_trace2_event_log.py

@@ -369,7 +369,7 @@ class EventLogTestCase(unittest.TestCase):
         server_thread.start()
 
         with server_ready:
-          server_ready.wait()
+          server_ready.wait(timeout=120)
 
         self._event_log_module.StartEvent()
         path = self._event_log_module.Write(path=f'af_unix:{socket_path}')