📝 Update examples for tests to replace "inexistent" for "nonexistent" (#11220)

docs_src/app_testing/app_b_an/test_main.py

@@ -21,7 +21,7 @@ def test_read_item_bad_token():
     assert response.json() == {"detail": "Invalid X-Token header"}
 
 
-def test_read_inexistent_item():
+def test_read_nonexistent_item():
     response = client.get("/items/baz", headers={"X-Token": "coneofsilence"})
     assert response.status_code == 404
     assert response.json() == {"detail": "Item not found"}