Update tests/integration/test_backtesting_nautilus.py

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

Author: nicolad

tests/integration/test_backtesting_nautilus.py

@@ -151,6 +151,8 @@ def test_backtest_engine_processes_generated_ticks(tmp_path, monkeypatch):
     engine.run()
 
     assert strategy.received == 30
-
+    engine.stop()
+    engine.reset()
+    engine.dispose()
     engine.reset()
     engine.dispose()