Updates guest username to Guest User in User comparator
Updates guest username to Guest User in User comparator

viniciusboson/client,fcruz/client,llvasconcellos/client,projectbuendia/client,christianrafael/client,viniciusboson/client,projectbuendia/client,christianrafael/client,llvasconcellos/client,pedromarins/client,projectbuendia/client,luisfdeandrade/client,christianrafael/client,luisfdeandrade/client,G1DR4/client,projectbuendia/client,viniciusboson/client,jvanz/client,luisfdeandrade/client,projectbuendia/client,llvasconcellos/client