"background-color: green; font-size: medium", true);
Styles result = merger.merge(winner, null);
assertSame(winner, result);
MutableStylePropertySet set = new MutableStylePropertySetImpl();
set.add(StylePropertyDetails.BACKGROUND_COLOR);
set.add(StylePropertyDetails.COLOR);
set.add(StylePropertyDetails.FONT_SIZE);
DebugStyles debugStyles = new DebugStyles(set, true);
String resultCSS = debugStyles.output(result, "");
assertEquals("{background-color: green; font-size: medium}",
resultCSS);