FilterFactory ff = CommonFactoryFinder.getFilterFactory((Hints) null);
MetBy filter = ff.metBy(ff.property("date"), newSampleDate());
FilterToCQL toCQL = new FilterToCQL();
filter.accept( toCQL, null ).toString();
}
@Test (expected=UnsupportedOperationException.class)
public void testOverlappedByUnsuported() throws Exception{