// for the following XWPFTableCell methods.
CTShd ctShd = CTShd.Factory.newInstance();
assertNotNull(ctShd);
CTVerticalJc ctVjc = CTVerticalJc.Factory.newInstance();
assertNotNull(ctVjc);
STShd stShd = STShd.Factory.newInstance();
assertNotNull(stShd);
STVerticalJc stVjc = STVerticalJc.Factory.newInstance();
assertNotNull(stVjc);
// create a table