@Test
public void testIPList() {

  //create MachineList with a list of of IPs
  MachineList ml = new MachineList(IP_LIST);
  //test for inclusion with an known IP
  assertTrue(ml.includes("10.119.103.112"));
  //test for exclusion with an unknown IP
  assertFalse(ml.includes("10.119.103.111"));
}