test: expand switch dead code test to include a range
test: expand switch dead code test to include a range

Change-Id: If443ffb50b140c466dcf4cc5340f44948bfa46a9
Reviewed-on: https://go-review.googlesource.com/26765
Reviewed-by: Matthew Dempsky <e56ac2c500064424afac424d4b5e53bd0570a731@google.com>

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