@Test(expectedExceptions = IllegalStateException.class)
public void testFailWhenMediumExistsAndNotUsingOverwrite() throws Exception {
HardDisk hardDisk = createTestHardDisk();
VirtualBoxManager manager = createNiceMock(VirtualBoxManager.class);
MachineUtils machineUtils = createMock(MachineUtils.class);
IMachine machine = createMock(IMachine.class);
IVirtualBox vBox = createMock(IVirtualBox.class);
IMedium medium = createMock(IMedium.class);
IMedium newHardDisk = createMock(IMedium.class);