Function login

ch_11/integration-tests/src/main.rs:125–140

(user: User)

}

async fn login(user: User) -> Token {
    let client = reqwest::Client::new();
    let res = client
        .post("http://localhost:3030/login")
        .json(&user)
        .send()
        .await
        .unwrap();

    assert_eq!(res.status(), 200);

    res
        .json::<Token>()
        .await
        .unwrap()
}

async fn post_question(token: Token) {
    let q = Question {