@Test
 public void listVirtualMachinesShouldReturnCorrectResult()
     throws CloudException, InternalException {
   new GetOrListVirtualMachinesRequestExecutorMockUp();
   List<VirtualMachine> virtualMachines =
       IteratorUtils.toList(azurePackVirtualMachineSupport.listVirtualMachines().iterator());
   assertEquals("listVirtualMachines doesn't return correct result", 1, virtualMachines.size());
   assertVirtualMachine(virtualMachines.get(0));
 }