public void testListSizes() throws Exception {
   for (Hardware hardware : client.listHardwareProfiles()) {
     assert hardware.getProviderId() != null;
     assert getCores(hardware) > 0;
     assert hardware.getVolumes().size() >= 0;
     assert hardware.getRam() > 0;
     assertEquals(hardware.getType(), ComputeType.HARDWARE);
   }
 }