text: import pytest
  import os
  import testinfra.utils.ansible_runner
  
  testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
      os.environ['MOLECULE_INVENTORY_FILE']).get_hosts('all')
  
  
  @pytest.mark.parametrize("files", [
      "/etc/systemd/system/memcached_exporter.service",
      "/usr/local/bin/memcached_exporter"
  ])
  def test_files(host, files):
      f = host.file(files)
      assert f.exists
      assert f.is_file
  