问猎犬: visible_text/1返回一个空字符串

EN

defmodule RedBeardWeb.UserCanRegisterTest do
  use RedBeard.DataCase
  use ExUnit.Case
  use Hound.Helpers

  hound_session()

  ...

  name       = find_element(:class, "header__user_name")
  name_text  = visible_text(name)

  assert name_text   == "John D."
end

1) test user can register with valid credentials (MyAppWeb.UserCanRegisterTest)
   test/red_beard_web/integration/user_can_register_test.exs:30
   Assertion with == failed
   code:  assert name_text == "John D."
   left:  ""
   right: "John D."
   stacktrace: test/red_beard_web/integration/user_can_register_test.exs:39: (test)