if(&wait_visible_continue('//a[@class="btn btn3d selectionbtn"]')){
  $mech->click( {xpath => '//a[@class="btn btn3d selectionbtn"]'});
  print "Click Menu done..\n";
}
#Here I have the dropdown visualized on screen.
#Next snippet doesn't produce the selection of the wanted row
if(&wait_visible_continue('//td[contains(text(),"Group")]')){
  $mech->click( {xpath => '//td[contains(text(),"Group")]'});
  print "Choose the right voice from dropdown done..\n";
}