CTP ctp = p.getCTP();
CTPPr ppr = ctp.getPPr()== null? ctp.addNewPPr() : ctp.getPPr();
//bordi
CTPBdr bdr = ppr.addNewPBdr();
CTBorder borderTop = bdr.addNewTop();
borderTop.setVal(STBorder.DOUBLE);
bdr.setTop(borderTop);
assertEquals(Borders.DOUBLE, p.getBorderTop());