Add tests for `docs_src.custom_response.tutorial010`

tests/test_tutorial/test_custom_response/test_tutorial001.py

@@ -1,17 +1,29 @@
+import importlib
+
+import pytest
 from fastapi.testclient import TestClient
 
-from docs_src.custom_response.tutorial001_py39 import app
 
-client = TestClient(app)
+@pytest.fixture(
+    name="client",
+    params=[
+        pytest.param("tutorial001_py39"),
+        pytest.param("tutorial010_py39"),
+    ],
+)
+def get_client(request: pytest.FixtureRequest):
+    mod = importlib.import_module(f"docs_src.custom_response.{request.param}")
+    client = TestClient(mod.app)
+    return client
 
 
-def test_get_custom_response():
+def test_get_custom_response(client: TestClient):
     response = client.get("/items/")
     assert response.status_code == 200, response.text
     assert response.json() == [{"item_id": "Foo"}]
 
 
-def test_openapi_schema():
+def test_openapi_schema(client: TestClient):
     response = client.get("/openapi.json")
     assert response.status_code == 200, response.text
     assert response.json() == {