🔬 🎉: 🕴 - 🤫

🕐❔ 👆 💪 👆 🎉 🐕‍🦺 (startup & shutdown) 🏃 👆 💯, 👆 💪 ⚙️ TestClient ⏮️ with 📄:

{!../../../docs_src/app_testing/tutorial003.py!}