@Test
public void updateHostUsedResourcesTest() {

    HostResources host = createHost(2, 1000l, 0l, 1000l, 0l);
    VmResources vm = new VmResources(0, 1, 1000l, 500l);
    spyAlgorithm.updateHostUsedResources(vm, host);
    Assert.assertEquals(1000l, host.getUsedCpu());
    Assert.assertEquals(500l, host.getUsedMemoryInMegaBytes());
}