new_contents: import pytest
  from rich.live_render import LiveRender
  from rich.console import Console, ConsoleOptions
  from rich.style import Style
  from rich.segment import Segment
  
  
  @pytest.fixture
  def live_render():
      return LiveRender(renderable="my string")
  
  
  def test_renderable(live_render):
      assert live_render.renderable == "my string"
      live_render.set_renderable("another string")
      assert live_render.renderable == "another string"
  
  
  def test_position_cursor(live_render):
      assert str(live_render.position_cursor()) == ""
      live_render._shape = (80, 2)
      assert str(live_render.position_cursor()) == "\r\x1b[2K\x1b[1A\x1b[2K"
  
  
  def test_restore_cursor(live_render):
      assert str(live_render.restore_cursor()) == ""
      live_render._shape = (80, 2)
      assert str(live_render.restore_cursor()) == "\r\x1b[1A\x1b[2K\x1b[1A\x1b[2K"
  
  
  def test_rich_console(live_render):
      options = ConsoleOptions(
          legacy_windows=False,
          min_width=10,
          max_width=20,
          is_terminal=False,
          encoding="utf-8",
      )
      rich_console = live_render.__rich_console__(Console(), options)
      assert [Segment("my string", Style.parse("none"))] == list(rich_console)
      live_render.style = "red"
      rich_console = live_render.__rich_console__(Console(), options)
      assert [Segment("my string", Style.parse("red"))] == list(rich_console)
  
subject: Add test_live_render