@Test
public void createAndVerifyDiskSpaceClass() {
DiskSpace diskSpace = new DiskSpace(EmptyConfiguration.INSTANCE);
diskSpace.start();
MeasuredResource mRes = diskSpace.getMeasuredResource();
Assert.assertTrue("MeasuredResource should not be null", mRes!=null);
Assert.assertTrue("MeasuredResource should be a DiskSpaceUtilization", mRes instanceof DiskSpaceUtilization);
double utilization = diskSpace.getUtilization();
Assert.assertTrue("Utilization should be > 0", utilization>0);
}