add maxline restriction in single line mode textCtrl. let textctrl will fire wxEVT_TEXT_MAXLEN and not recive the chars when the text length beyond the maxlength
in order to make the unit test could run without stuck, comment it temporary. It will reenable after it merge to master branch
modify the listbasetest.(10,5) is not a correct position in wxUniv/x11 listbase test. (10, 10) could work both on wxUniv/x11 and other ports(already tested)