cannery/test/cannery_web/live/home_live_test.exs

defmodule CanneryWeb.HomeLiveTest do
  use CanneryWeb.ConnCase
  import Phoenix.LiveViewTest
  import CanneryWeb.Gettext

  test "disconnected and connected render", %{conn: conn} do
    {:ok, home_live, disconnected_html} = live(conn, "/")
    assert disconnected_html =~ "Welcome to Cannery"
    assert render(home_live) =~ "Welcome to Cannery"
  end
end