Update cmdutil_test.go
Update cmdutil_test.go

Modify error reporting format
chestack/kubernetes,mosoft521/kubernetes,matthyx/kubernetes,jsafrane/kubernetes,olivierlemasle/kubernetes,jessfraz/kubernetes,carlory/kubernetes,shyamjvs/kubernetes,enj/kubernetes,kevin-wangzefeng/kubernetes,jackfrancis/kubernetes,matthyx/kubernetes,thockin/kubernetes,jessfraz/kubernetes,mosoft521/kubernetes,dixudx/kubernetes,dixudx/kubernetes,dixudx/kubernetes,k82cn/kubernetes,deads2k/kubernetes,lojies/kubernetes,matthyx/kubernetes,k82cn/kubernetes,carlory/kubernetes,gnufied/kubernetes,mkumatag/kubernetes,ping035627/kubernetes,PiotrProkop/kubernetes,dims/kubernetes,carlory/kubernetes,jessfraz/kubernetes,jsafrane/kubernetes,soltysh/kubernetes,olivierlemasle/kubernetes,feiskyer/kubernetes,dixudx/kubernetes,mahak/kubernetes,BenTheElder/kubernetes,thockin/kubernetes,mosoft521/kubernetes,thockin/kubernetes,enj/kubernetes,warmchang/kubernetes,tengqm/kubernetes,mengqiy/kubernetes,feiskyer/kubernetes,MikeSpreitzer/kubernetes,tengqm/kubernetes,tengqm/kubernetes,dixudx/kubernetes,iameli/kubernetes,soltysh/kubernetes,kevin-wangzefeng/kubernetes,cblecker/kubernetes,BenTheElder/kubernetes,kevin-wangzefeng/kubernetes,mahak/kubernetes,tengqm/kubernetes,jackfrancis/kubernetes,kevin-wangzefeng/kubernetes,feiskyer/kubernetes,shyamjvs/kubernetes,ravilr/kubernetes,liggitt/kubernetes,mahak/kubernetes,thockin/kubernetes,lojies/kubernetes,jackfrancis/kubernetes,liggitt/kubernetes,kevin-wangzefeng/kubernetes,feiskyer/kubernetes,k82cn/kubernetes,deads2k/kubernetes,cblecker/kubernetes,chestack/kubernetes,deads2k/kubernetes,jsafrane/kubernetes,zhangmingld/kubernetes,warmchang/kubernetes,iameli/kubernetes,enj/kubernetes,MikeSpreitzer/kubernetes,iameli/kubernetes,kubernetes/kubernetes,BenTheElder/kubernetes,dims/kubernetes,mengqiy/kubernetes,jsafrane/kubernetes,jessfraz/kubernetes,dims/kubernetes,MikeSpreitzer/kubernetes,matthyx/kubernetes,BenTheElder/kubernetes,BenTheElder/kubernetes,chestack/kubernetes,liggitt/kubernetes,kubernetes/kubernetes,jsafrane/kubernetes,zhangmingld/kubernetes,iameli/kubernetes,ping035627/kubernetes,shyamjvs/kubernetes,soltysh/kubernetes,olivierlemasle/kubernetes,mosoft521/kubernetes,mosoft521/kubernetes,enj/kubernetes,ping035627/kubernetes,ping035627/kubernetes,chestack/kubernetes,gnufied/kubernetes,olivierlemasle/kubernetes,GulajavaMinistudio/kubernetes,zhangmingld/kubernetes,lojies/kubernetes,thockin/kubernetes,mkumatag/kubernetes,kubernetes/kubernetes,k82cn/kubernetes,mkumatag/kubernetes,deads2k/kubernetes,mkumatag/kubernetes,shyamjvs/kubernetes,dims/kubernetes,olivierlemasle/kubernetes,dims/kubernetes,shyamjvs/kubernetes,cblecker/kubernetes,chestack/kubernetes,matthyx/kubernetes,jessfraz/kubernetes,carlory/kubernetes,liggitt/kubernetes,zhangmingld/kubernetes,mengqiy/kubernetes,MikeSpreitzer/kubernetes,gnufied/kubernetes,GulajavaMinistudio/kubernetes,ravilr/kubernetes,zhangmingld/kubernetes,cblecker/kubernetes,mahak/kubernetes,tengqm/kubernetes,soltysh/kubernetes,kubernetes/kubernetes,liggitt/kubernetes,soltysh/kubernetes,kubernetes/kubernetes,deads2k/kubernetes,ravilr/kubernetes,iameli/kubernetes,enj/kubernetes,warmchang/kubernetes,ping035627/kubernetes,PiotrProkop/kubernetes,ravilr/kubernetes,GulajavaMinistudio/kubernetes,mahak/kubernetes,GulajavaMinistudio/kubernetes,mengqiy/kubernetes,PiotrProkop/kubernetes,warmchang/kubernetes,warmchang/kubernetes,gnufied/kubernetes,gnufied/kubernetes,ravilr/kubernetes,PiotrProkop/kubernetes,jackfrancis/kubernetes,MikeSpreitzer/kubernetes,zhangmingld/kubernetes,jackfrancis/kubernetes,k82cn/kubernetes,carlory/kubernetes,feiskyer/kubernetes,PiotrProkop/kubernetes,mkumatag/kubernetes,mengqiy/kubernetes,cblecker/kubernetes,lojies/kubernetes,lojies/kubernetes,GulajavaMinistudio/kubernetes