Style style = rb.buildStyle();
// print(style);
// round up the elements and check the basics
StyleCollector collector = new StyleCollector();
style.accept(collector);
assertEquals(1, collector.featureTypeStyles.size());
assertEquals(1, collector.rules.size());
assertEquals(2, collector.symbolizers.size());
TextSymbolizer ps = (TextSymbolizer) collector.symbolizers.get(1);