Update tests/envs/test_browsergym_environment.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: HamidShojanazeri

tests/envs/test_browsergym_environment.py

@@ -71,6 +71,7 @@ def server():
         try:
             server_process.kill()
         except ProcessLookupError:
+            # The process is already dead; nothing to clean up.
             pass
         pytest.skip("Server failed to start - BrowserGym may not be installed")