chiya/test/chiya_web/controllers/page_controller_test.exs

defmodule ChiyaWeb.PageControllerTest do
  use ChiyaWeb.ConnCase

  test "GET /", %{conn: conn} do
    conn = get(conn, ~p"/")
    assert html_response(conn, 200) =~ "Title"
    assert html_response(conn, 200) =~ "Subtitle"
  end
end