text: import pytest
  import shlex
  import subprocess
  import time
  
  containerd_address = 'unix:///run/user/1000/pycontainerd-mock.sock'
  
  @pytest.fixture(scope='module')
  def containerd_server():
      command = shlex.split( \
                './containerd_mock.py --address="%s"' % (containerd_address,))
      subprocess.Popen(command)
      time.sleep(1) # give the server time to start up
      return containerd_address
  
  