Fix the response used as the data — find the bug

function fetch(url) {
  return Promise.resolve({
    ok: true,
    json: function () { return Promise.resolve({ name: "Ada" }); }
  });
}
fetch("/api/user").then(function (response) {
  document.querySelector('#out').textContent = response.name === undefined ? "the response has no name" : response.name;
});