font1.setColor(IndexedColors.BLUE_GREY.getIndex());
richText.applyFont(0, 5, font1);
//check the low-level stuff
comment.setString(richText);
obj = ctComment.selectPath(
"declare namespace w='http://schemas.openxmlformats.org/spreadsheetml/2006/main' .//w:text");
assertEquals(1, obj.length);
assertSame(comment.getString(), richText);
//check that the rich text is set in the comment
CTRPrElt rPr = richText.getCTRst().getRArray(0).getRPr();