fix(test_tutorial): fix tests to improve coverage

tests/test_tutorial/test_extending_openapi/test_tutorial002.py

@@ -36,6 +36,13 @@ def test_redoc_html(client: TestClient):
     assert "/static/redoc.standalone.js" in response.text
 
 
+def test_elements_html(client: TestClient):
+    response = client.get("/elements")
+    assert response.status_code == 200, response.text
+    assert "/static/web-components.min.js" in response.text
+    assert "/static/styles.min.css" in response.text
+
+
 def test_api(client: TestClient):
     response = client.get("/users/john")
     assert response.status_code == 200, response.text

tests/test_tutorial/test_extending_openapi/test_tutorial006.py

@@ -0,0 +1,20 @@
+from fastapi.testclient import TestClient
+
+from docs_src.extending_openapi.tutorial006 import app
+
+client = TestClient(app)
+
+
+def test_swagger_ui():
+    response = client.get("/elements")
+    assert response.status_code == 200, response.text
+    assert 'router="history"' in response.text
+    assert 'layout="sidebar"' in response.text
+    assert 'tryItCredentialPolicy="omit"' in response.text
+    
+
+
+def test_get_users():
+    response = client.get("/users/foo")
+    assert response.status_code == 200, response.text
+    assert response.json() == {"message": "Hello foo"}