@Test
public void unmount()
{
CompoundRequestMapper compound = new CompoundRequestMapper();
compound.add(new MountMapper(MOUNT_PATH_1, new EmptyRequestHandler()));
compound.add(new MountMapper(MOUNT_PATH_2, new EmptyRequestHandler()));
compound.add(new MountMapper(MOUNT_PATH_3, new EmptyRequestHandler()));
assertEquals(3, compound.size());
compound.unmount(MOUNT_PATH_2);
assertEquals(2, compound.size());