added more tests to UtilityTest
added more tests to UtilityTest

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