text: import pytest
  
  import supriya
  from supriya import scsynth
  from supriya.realtime.servers import AsyncServer, Server
  
  
  @pytest.fixture(autouse=True)
  def add_libraries(doctest_namespace):
      doctest_namespace["supriya"] = supriya
  
  
  @pytest.fixture(autouse=True)
  def shutdown_scsynth():
      scsynth.kill()
      yield
      scsynth.kill()
  
  
  @pytest.fixture(autouse=True)
  def shutdown_sync_servers(shutdown_scsynth):
      for server in tuple(Server._servers):
          server._shutdown()
      yield
      for server in tuple(Server._servers):
          server._shutdown()
  
  
  @pytest.fixture(autouse=True)
  async def shutdown_async_servers(shutdown_scsynth, event_loop):
      for server in tuple(AsyncServer._servers):
          await server._shutdown()
      yield
      for server in tuple(AsyncServer._servers):
          await server._shutdown()
  