Setting text on comb box fails

Setting text on comb box fails (reported by damien.aiello@bull.net)

launchapp("notepad")
waittillfguiexist('*-Notepad')
selectmenuitem('*-Notepad', 'mnuFile;mnuSave')
waittillguiexist('Save As')
settextvalue('Save As', 'cboFilename', 'test.txt')

QA Notes:
Testing Done: Windows 7 - Notepad
Documentation Notes:
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