Test that UA client hints are added on redirect.
Got request: GET http://127.0.1.1:8000/whatever
sec-ch-ua: "content_shell";v="999"
Got request: GET http://127.0.0.1:8000/devtools/resources/empty.html
sec-ch-ua: "content_shell";v="999"
Test that UA client hints are added on redirect.
Got request: GET http://127.0.1.1:8000/whatever
sec-ch-ua: "content_shell";v="999"
Got request: GET http://127.0.0.1:8000/devtools/resources/empty.html
sec-ch-ua: "content_shell";v="999"