lib/test/live_view_test.ex

defmodule LayoutBuilderTest.LiveView do
  use Phoenix.LiveView

  @moduledoc """
  LiveView used for testing
  """

  def render(assigns) do
    ~H"""
    <.live_component module={LayoutBuilder} class="mt-6" id="layout_builder" layout={%LayoutBuilder.Layout.Layout{}} />
    """
  end

  def mount(_params, %{}, socket) do
    {:ok, socket}
  end
end