Function request

tests/e2e.rs:278–289

(
    request_builder: RequestBuilder, actual_content: impl Into<String>,
    handler: impl FnOnce(String) -> F,
)

}

async fn request<F>(
    request_builder: RequestBuilder, actual_content: impl Into<String>,
    handler: impl FnOnce(String) -> F,
) where
    F: Future<Output = ()>,
{
    let response = request_builder.send().await.unwrap();
    let status = response.status();
    let content = response.text().await.unwrap();
    handler(content.clone()).await;
    assert_eq!((status, content), (StatusCode::OK, actual_content.into()));
}