code: @Test public void testConfiguratorClockResolution(){
  class SequentialClockResolution implements ClockResolution {
      @Override public long createClock(){
        return System.currentTimeMillis() * -1;
      }
    }
    CassandraHostConfigurator cassandraHostConfigurator=new CassandraHostConfigurator("localhost");
    cassandraHostConfigurator.setClockResolution(new SequentialClockResolution());
    assertNotSame(CassandraHostConfigurator.DEF_CLOCK_RESOLUTION,cassandraHostConfigurator.getClockResolution());
  }
  