added delays for KeyboardShortcutsTest
added delays for KeyboardShortcutsTest

ianngiaw/HubTurbo,Sumei1009/HubTurbo,gaieepo/HubTurbo,Honoo/HubTurbo,Honoo/HubTurbo,gaieepo/HubTurbo,ianngiaw/HubTurbo,saav/HubTurbo,Sumei1009/HubTurbo,HyungJon/HubTurbo,HyungJon/HubTurbo,saav/HubTurbo