[button markup functional test] Update to reflect new possible values for corners
[button markup functional test] Update to reflect new possible values for corners

hinaloe/jqm-demo-ja,startxfr/jquery-mobile,startxfr/jquery-mobile,arschmitz/uglymongrel-jquery-mobile,hinaloe/jqm-demo-ja,arschmitz/uglymongrel-jquery-mobile,arschmitz/jquery-mobile,arschmitz/jquery-mobile,arschmitz/uglymongrel-jquery-mobile,arschmitz/jquery-mobile,startxfr/jquery-mobile,hinaloe/jqm-demo-ja