Click tabs on GWT application using Selenium

As ordinary selenium “click” method does not work, you can use this sequence:

clickAt     //tr[td='tabName'] 0,0
mouseDownAt //tr[td='tabName'] 0,0
mouseUpAt   //tr[td='tabName'] 0,0

Credits to my friend Ricardo!

If you need just to click a GWT  image button you can check here.