Sync fastapi docs from 11614be9 on 2026-03-11

docs_src/app_testing/app_a_py310/test_main.py

@@ -0,0 +1,11 @@
+from fastapi.testclient import TestClient
+
+from .main import app
+
+client = TestClient(app)
+
+
+def test_read_main():
+    response = client.get("/")
+    assert response.status_code == 200
+    assert response.json() == {"msg": "Hello World"}