added event delay for ModelUpdateUITest
added event delay for ModelUpdateUITest

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