flag: update test case (fix build)
flag: update test case (fix build)

Change-Id: I2275dc703be4fda3feedf76483148eab853b43b8
Reviewed-on: https://go-review.googlesource.com/22360
Run-TryBot: Robert Griesemer <a6752097faebf1f02d80107d77a9be009089afe3@golang.org>
Reviewed-by: Rob Pike <4dc7c9ec434ed06502767136789763ec11d2c4b7@golang.org>

ImJasonH/go,josharian/go,goodlang/good,Cofyc/go,nawawi/go,cloudflare/go,polyverse-security/go,josharian/go,4ad/go,Cofyc/go,4ad/go,josharian/go,polyverse-security/go,Cofyc/go,suncycheng/go,theif519/go,ImJasonH/go,nawawi/go,golang/go,akutz/go,akutz/go,ganboing/go-esx,nawawi/go,CAFxX/go,goodlang/good,golang/go,ganboing/go-esx,suncycheng/go,theif519/go,derekmarcotte/go,CAFxX/go,cloudflare/go,nawawi/go,ImJasonH/go,ganboing/go-esx,momchil-velikov/go,ganboing/go-esx,polyverse-security/go,vsekhar/elastic-go,akutz/go,cloudflare/go,ImJasonH/go,theif519/go,polyverse-security/go,cloudflare/go,codestation/go,vsekhar/elastic-go,josharian/go,josharian/go,cloudflare/go,suncycheng/go,ganboing/go-esx,golang/go,vsekhar/elastic-go,theif519/go,akutz/go,theif519/go,akutz/go,suncycheng/go,codestation/go,cloudflare/go,derekmarcotte/go,4ad/go,4ad/go,codestation/go,golang/go,golang/go,Cofyc/go,4ad/go,goodlang/good,cloudflare/go,suncycheng/go,codestation/go,nawawi/go,nawawi/go,4ad/go,ImJasonH/go,Cofyc/go,nawawi/go,linux-on-ibm-z/go,derekmarcotte/go,codestation/go,CAFxX/go,momchil-velikov/go,cloudflare/go,vsekhar/elastic-go,momchil-velikov/go,suncycheng/go,golang/go,linux-on-ibm-z/go,akutz/go,codestation/go,linux-on-ibm-z/go,polyverse-security/go,CAFxX/go,ImJasonH/go,vsekhar/elastic-go,Cofyc/go,codestation/go,CAFxX/go,derekmarcotte/go,CAFxX/go,ganboing/go-esx,linux-on-ibm-z/go,theif519/go,linux-on-ibm-z/go,linux-on-ibm-z/go,momchil-velikov/go,polyverse-security/go,vsekhar/elastic-go,momchil-velikov/go,ganboing/go-esx,josharian/go,goodlang/good,polyverse-security/go,josharian/go,4ad/go,ganboing/go-esx,momchil-velikov/go,suncycheng/go,CAFxX/go,theif519/go,ImJasonH/go,christopher-henderson/Go,ImJasonH/go,suncycheng/go,CAFxX/go,josharian/go,golang/go,goodlang/good,goodlang/good,Cofyc/go,golang/go,linux-on-ibm-z/go,derekmarcotte/go,akutz/go,momchil-velikov/go,goodlang/good,Cofyc/go,codestation/go,polyverse-security/go,derekmarcotte/go,derekmarcotte/go,nawawi/go,vsekhar/elastic-go,goodlang/good,4ad/go,vsekhar/elastic-go,linux-on-ibm-z/go,akutz/go,momchil-velikov/go,theif519/go,derekmarcotte/go