Select Popup On Spacebar

BUG ID:18363.

This test ensures that pressing spacebar on Mac, Gtk and Chromium ports or pressing return in Gtk and Chromium ports will popup the select control when focused.

STEPS TO TEST:
Press spacebar or the return key (Gtk only).

TEST PASS: Select pops up the menu list

TEST FAIL: Select does not popup a menu list - nothing happens.

SelectItem 1