cmd/go: documented default value of the -timeout testflag
cmd/go: documented default value of the -timeout testflag

Change-Id: I4dc75065038a9cfd06f61c0deca1c86c70713d3a
Reviewed-on: https://go-review.googlesource.com/13091
Reviewed-by: Andrew Gerrand <395a7d33bec8475c9b83b7d440f141bcbd994aa5@golang.org>

CiscoCloud/go,fjballest/golang,sndnvaps/go,mdp/go,uileyar/go,vanloswang/go,codestation/go,nawawi/go,ganboing/go-esx,4ad/go,codestation/go,jameskumar/go,samanalysis/go,nakedgc/go,yangzhongj/go,leeric92/go,cookerzhu/go,arschles/go-1,jefby/go,mwhudson/go,kim-racktop/go,jonasi/go,arschles/go-1,beealone/go,cloudflare/go,vanloswang/go,ericsnowcurrently/go,danycoro/go,Endika/go,albertjin/golang-go,alash3al/go,vishsingh/go,donnel6809/go,ifagnosticism/go,jdeng/go,AALEKH/go,polyverse-security/go,myPublicGit/go,jacobsa/go,kakuhiroshi/go,JioCloud/go,ichu501/go,xiuzhifu/go,honsiorovskyi/go,jonathanmarvens/go,ImJasonH/go,CodyGuo/go,skatsuta/go,theif519/go,polyverse-security/go,dpatel06/go,chinanjjohn2012/go,springning/go,WIZARD-CXY/go,sinuos/go,leeric92/go,lihuanghai/go,Pulgafree/go,danielsoro/go,rachtsingh/gogojuice,slavau/go,dafyddcrosby/go,arschles/go-1,Stan-Lin-/go,alex-zhang/go,chinanjjohn2012/go,Young55555/go,wangfakang/go-1,goodlang/good,jefby/go,odeke-em/go,ganboing/go-esx,JioCloud/go,albertjin/golang-go,andrewchambers/go,miolini/go,kevinc0825/go,slavau/go,codestation/go,arschles/golang-go,WIZARD-CXY/go,ifagnosticism/go,ObjectiveJoe/go,cainiaocome/go,malvira/go,gdey/go,jdeng/go,kakuhiroshi/go,jonahglover/go,mwhudson/go,beealone/go,arschles/golang-go,undergrowthlinear/go,Charlesdong/go-1,uileyar/go,Samurais/go,famorted/go,likesea/go,AALEKH/go,vsdutka/go,dafyddcrosby/go,xiuzhifu/go,ifagnosticism/go,dpatel06/go,g522342435/go,Cofyc/go,zouchao2010/go,WIZARD-CXY/go,Charlesdong/go-1,xiuzhifu/go,parkdy/go,Jordanzuo/go,sosop/go,willjunspecial/go,vsekhar/elastic-go,zcwfeng/go,roth1002/go,suncycheng/go,jonahglover/go,constantine001/go,ImJasonH/go,goodlang/good,albertjin/golang-go,b54898533/go,cyberroadie/go,wangfakang/go-1,rentongzhang/go,jonathanmarvens/go,NunoEdgarGub1/go,undergrowthlinear/go,shines77/go,sndnvaps/go,donnel6809/go,zhangg/go,Cofyc/go,codestation/go,NichoZhang/go,theass/go,odeke-em/go,4ad/go,AALEKH/go,b54898533/go,ifagnosticism/go,willjunspecial/go,myPublicGit/go,b54898533/go,wangfakang/go-1,NunoEdgarGub1/go,yuhengye/go,qskycolor/go,linux-on-ibm-z/go,malvira/go,miolini/go,GeorgiCodes/go,parkdy/go,xiaobodu/go,vanloswang/go,kim-racktop/go,CarterTsai/go,momchil-velikov/go,arschles/go-1,shines77/go,jacobxk/go,cainiaocome/go,rachtsingh/gogojuice,rachtsingh/gogojuice,Young55555/go,odeke-em/go,ImJasonH/go,odeke-em/go,Charlesdong/go-1,JioCloud/go,CodyGuo/go,jmptrader/go,ObjectiveJoe/go,yasarkunduz/go,fjballest/golang,Jordanzuo/go,danielsoro/go,springning/go,Stan-Lin-/go,jonasi/go,vishsingh/go,cainiaocome/go,malvira/go,andrewchambers/go,myPublicGit/go,mbrukman/go,albertjin/golang-go,deft-code/go,suncycheng/go,derekmarcotte/go,ericsnowcurrently/go,Endika/go,jmptrader/go,JioCloud/go,miolini/go,binarycrusader/go,deft-code/go,sosop/go,Pulgafree/go,myPublicGit/go,skotti/go,polyverse-security/go,josharian/go,malvira/go,willjunspecial/go,polyverse-security/go,sosop/go,zouchao2010/go,rachtsingh/gogojuice,Jordanzuo/go,NichoZhang/go,miolini/go,ifagnosticism/go,ImJasonH/go,leeric92/go,zouchao2010/go,xiuzhifu/go,yasarkunduz/go,alash3al/go,jameskumar/go,christopher-henderson/Go,yangzhongj/go,zhangg/go,CAFxX/go,ImJasonH/go,danycoro/go,vsekhar/elastic-go,wangfakang/go-1,theif519/go,jacobhaven/go,likesea/go,odeke-em/go,leeric92/go,danycoro/go,malvira/go,mdp/go,lihuanghai/go,wangfakang/go-1,golang/go,Cofyc/go,greyhwndz/go,snowsnail/go,theif519/go,josharian/go,yuhengye/go,qskycolor/go,suncycheng/go,dafyddcrosby/go,xiaobodu/go,4ad/go,leeric92/go,andrewchambers/go,jacobhaven/go,cyberroadie/go,famorted/go,mdp/go,springning/go,WIZARD-CXY/go,jonasi/go,suncycheng/go,mgyenik/go,alash3al/go,sndnvaps/go,skatsuta/go,Endika/go,CodyGuo/go,slavau/go,snowsnail/go,stormltf/go,nawawi/go,danielsoro/go,beealone/go,GeorgiCodes/go,cookerzhu/go,honsiorovskyi/go,deft-code/go,derekmarcotte/go,Stan-Lin-/go,qskycolor/go,beealone/go,GeorgiCodes/go,Badredapple/go,myPublicGit/go,beealone/go,jacobsa/go,jdhenke/go,joshsammut/go,Jordanzuo/go,akutz/go,parkdy/go,binarycrusader/go,akutz/go,kevinc0825/go,dafyddcrosby/go,ganboing/go-esx,akutz/go,cookerzhu/go,zhangg/go,cookerzhu/go,xujianhai/go,Pulgafree/go,jacobsa/go,jasonxiong/go,kakuhiroshi/go,mdp/go,ErikDubbelboer/go,donnel6809/go,ericsnowcurrently/go,constantine001/go,kakuhiroshi/go,ganboing/go-esx,miolini/go,jdeng/go,jasonxiong/go,danielsoro/go,yangzhongj/go,albertjin/golang-go,jacobxk/go,willjunspecial/go,linux-on-ibm-z/go,mikekap/go,goodlang/good,kim-racktop/go,greyhwndz/go,Badredapple/go,andrewchambers/go,sinuos/go,jonathanmarvens/go,Cofyc/go,kevinc0825/go,undergrowthlinear/go,ericsnowcurrently/go,vishsingh/go,ErikDubbelboer/go,kakuhiroshi/go,samanalysis/go,dpatel06/go,undergrowthlinear/go,leeric92/go,vsdutka/go,momchil-velikov/go,ichu501/go,stormltf/go,slavau/go,nakedgc/go,yangzhongj/go,likesea/go,Stan-Lin-/go,constantine001/go,b54898533/go,ganboing/go-esx,fjballest/golang,Jordanzuo/go,ErikDubbelboer/go,GeorgiCodes/go,cloudflare/go,cyberroadie/go,zhangg/go,WIZARD-CXY/go,yasarkunduz/go,4ad/go,danielsoro/go,danielsoro/go,akutz/go,odeke-em/go,ganboing/go-esx,odeke-em/go,sinuos/go,famorted/go,CAFxX/go,vsekhar/elastic-go,snowsnail/go,samanalysis/go,CodyGuo/go,devpadawan/go,mgyenik/go,jonasi/go,honsiorovskyi/go,Charlesdong/go-1,sinuos/go,undergrowthlinear/go,albertjin/golang-go,arschles/golang-go,jmptrader/go,sndnvaps/go,linux-on-ibm-z/go,Jordanzuo/go,mikekap/go,zcwfeng/go,vsekhar/elastic-go,Young55555/go,mgyenik/go,mikekap/go,danycoro/go,vsdutka/go,jefby/go,Samurais/go,dterei/go,4ad/go,binarycrusader/go,cloudflare/go,Cofyc/go,jacobhaven/go,CAFxX/go,codestation/go,yuhengye/go,CodyGuo/go,alex-zhang/go,Badredapple/go,zcwfeng/go,devpadawan/go,jameskumar/go,g522342435/go,CodyGuo/go,jdhenke/go,jacobsa/go,vsekhar/elastic-go,jefby/go,ImJasonH/go,shines77/go,ObjectiveJoe/go,monetate/go,yasarkunduz/go,yasarkunduz/go,jacobhaven/go,xujianhai/go,vsekhar/elastic-go,kevinc0825/go,AALEKH/go,slavau/go,honsiorovskyi/go,arschles/go-1,jmptrader/go,Badredapple/go,zcwfeng/go,mbrukman/go,vishsingh/go,sosop/go,theass/go,cookerzhu/go,shines77/go,jdhenke/go,slavau/go,cyberroadie/go,momchil-velikov/go,momchil-velikov/go,skatsuta/go,monetate/go,famorted/go,CAFxX/go,AALEKH/go,andrewchambers/go,akutz/go,mwhudson/go,jdeng/go,golang/go,skotti/go,stormltf/go,mgyenik/go,cookerzhu/go,Endika/go,mgyenik/go,Endika/go,yuhengye/go,honsiorovskyi/go,lihuanghai/go,zouchao2010/go,g522342435/go,lihuanghai/go,jmptrader/go,cyberroadie/go,sosop/go,skatsuta/go,constantine001/go,ericsnowcurrently/go,XuYunnan/go,XuYunnan/go,fjballest/golang,fjballest/golang,myPublicGit/go,samanalysis/go,mgyenik/go,goodlang/good,nakedgc/go,jefby/go,jdhenke/go,ImJasonH/go,uileyar/go,theass/go,joshsammut/go,deft-code/go,cloudflare/go,vishsingh/go,CiscoCloud/go,g522342435/go,XuYunnan/go,rentongzhang/go,rachtsingh/gogojuice,mikekap/go,goodlang/good,theif519/go,AALEKH/go,snowsnail/go,jdeng/go,Samurais/go,4ad/go,honsiorovskyi/go,golang/go,yuhengye/go,andrewchambers/go,sinuos/go,XuYunnan/go,Young55555/go,nawawi/go,yasarkunduz/go,ErikDubbelboer/go,jasonxiong/go,ObjectiveJoe/go,derekmarcotte/go,yasarkunduz/go,binarycrusader/go,jameskumar/go,alash3al/go,qskycolor/go,cyberroadie/go,danielsoro/go,alex-zhang/go,CAFxX/go,arschles/go-1,WIZARD-CXY/go,GeorgiCodes/go,zouchao2010/go,theass/go,parkdy/go,sinuos/go,roth1002/go,qskycolor/go,mwhudson/go,vsdutka/go,Cofyc/go,zhangg/go,kim-racktop/go,nakedgc/go,xiuzhifu/go,jonasi/go,yuhengye/go,cookerzhu/go,fjballest/golang,lihuanghai/go,b54898533/go,stormltf/go,skatsuta/go,deft-code/go,polyverse-security/go,malvira/go,dterei/go,yasarkunduz/go,binarycrusader/go,jonathanmarvens/go,shines77/go,malvira/go,roth1002/go,jasonxiong/go,skotti/go,NichoZhang/go,sosop/go,cloudflare/go,myPublicGit/go,kim-racktop/go,WIZARD-CXY/go,JioCloud/go,yangzhongj/go,CiscoCloud/go,danycoro/go,Pulgafree/go,Badredapple/go,joshsammut/go,CarterTsai/go,famorted/go,suncycheng/go,suncycheng/go,XuYunnan/go,likesea/go,jasonxiong/go,willjunspecial/go,jefby/go,NichoZhang/go,Young55555/go,jonahglover/go,nawawi/go,devpadawan/go,donnel6809/go,kevinc0825/go,CarterTsai/go,CarterTsai/go,cainiaocome/go,arschles/go-1,samanalysis/go,willjunspecial/go,alex-zhang/go,Pulgafree/go,vsdutka/go,chinanjjohn2012/go,JioCloud/go,jonathanmarvens/go,jameskumar/go,zcwfeng/go,rachtsingh/gogojuice,zouchao2010/go,slavau/go,gdey/go,jacobhaven/go,shines77/go,stormltf/go,sinuos/go,Stan-Lin-/go,constantine001/go,cookerzhu/go,zhangg/go,jdhenke/go,monetate/go,dpatel06/go,jameskumar/go,uileyar/go,mikekap/go,lihuanghai/go,chinanjjohn2012/go,theass/go,Badredapple/go,Young55555/go,Charlesdong/go-1,CodyGuo/go,jacobxk/go,arschles/golang-go,cainiaocome/go,skotti/go,xiaobodu/go,honsiorovskyi/go,dterei/go,GeorgiCodes/go,ganboing/go-esx,ichu501/go,ObjectiveJoe/go,jonahglover/go,cainiaocome/go,theass/go,devpadawan/go,mbrukman/go,joshsammut/go,binarycrusader/go,Charlesdong/go-1,alex-zhang/go,xiuzhifu/go,xiaobodu/go,dterei/go,Charlesdong/go-1,dterei/go,myPublicGit/go,miolini/go,zhangg/go,vsekhar/elastic-go,jmptrader/go,vanloswang/go,samanalysis/go,Samurais/go,roth1002/go,jacobsa/go,ericsnowcurrently/go,CarterTsai/go,nakedgc/go,dterei/go,kakuhiroshi/go,alash3al/go,skotti/go,jonasi/go,jonahglover/go,snowsnail/go,codestation/go,skatsuta/go,akutz/go,ObjectiveJoe/go,josharian/go,ericsnowcurrently/go,monetate/go,cloudflare/go,danycoro/go,AALEKH/go,constantine001/go,Stan-Lin-/go,b54898533/go,sosop/go,Endika/go,dafyddcrosby/go,kevinc0825/go,theass/go,jonahglover/go,kevinc0825/go,cloudflare/go,4ad/go,wangfakang/go-1,jacobxk/go,polyverse-security/go,theass/go,joshsammut/go,mbrukman/go,yangzhongj/go,xiaobodu/go,jmptrader/go,greyhwndz/go,nawawi/go,b54898533/go,mikekap/go,goodlang/good,nakedgc/go,fjballest/golang,suncycheng/go,Young55555/go,chinanjjohn2012/go,mdp/go,beealone/go,sosop/go,Samurais/go,mdp/go,snowsnail/go,Pulgafree/go,greyhwndz/go,wangfakang/go-1,kim-racktop/go,dafyddcrosby/go,vishsingh/go,roth1002/go,monetate/go,donnel6809/go,samanalysis/go,NunoEdgarGub1/go,ifagnosticism/go,vishsingh/go,jdhenke/go,alex-zhang/go,jdeng/go,momchil-velikov/go,ichu501/go,binarycrusader/go,goodlang/good,monetate/go,jdeng/go,nawawi/go,Badredapple/go,skotti/go,Young55555/go,jonathanmarvens/go,CodyGuo/go,mwhudson/go,polyverse-security/go,NichoZhang/go,rentongzhang/go,Samurais/go,rentongzhang/go,cloudflare/go,momchil-velikov/go,NunoEdgarGub1/go,jacobxk/go,wangfakang/go-1,CarterTsai/go,kevinc0825/go,springning/go,xiaobodu/go,mdp/go,skotti/go,rachtsingh/gogojuice,springning/go,JioCloud/go,roth1002/go,gdey/go,4ad/go,xujianhai/go,Badredapple/go,devpadawan/go,yangzhongj/go,beealone/go,derekmarcotte/go,GeorgiCodes/go,greyhwndz/go,leeric92/go,vishsingh/go,b54898533/go,nawawi/go,vanloswang/go,zcwfeng/go,alash3al/go,ErikDubbelboer/go,vanloswang/go,g522342435/go,jdeng/go,chinanjjohn2012/go,willjunspecial/go,goodlang/good,joshsammut/go,jacobsa/go,momchil-velikov/go,NichoZhang/go,suncycheng/go,malvira/go,ifagnosticism/go,cainiaocome/go,devpadawan/go,rachtsingh/gogojuice,nawawi/go,alex-zhang/go,dpatel06/go,dpatel06/go,mwhudson/go,xiaobodu/go,roth1002/go,andrewchambers/go,akutz/go,ichu501/go,jonahglover/go,g522342435/go,josharian/go,ObjectiveJoe/go,CiscoCloud/go,sndnvaps/go,theif519/go,likesea/go,danielsoro/go,binarycrusader/go,uileyar/go,nakedgc/go,CiscoCloud/go,Pulgafree/go,gdey/go,NunoEdgarGub1/go,jacobhaven/go,jonasi/go,ifagnosticism/go,jefby/go,alex-zhang/go,ErikDubbelboer/go,jameskumar/go,rentongzhang/go,stormltf/go,springning/go,monetate/go,sndnvaps/go,fjballest/golang,dafyddcrosby/go,stormltf/go,zhangg/go,GeorgiCodes/go,jdhenke/go,Endika/go,arschles/golang-go,jmptrader/go,Endika/go,Jordanzuo/go,vsdutka/go,xiuzhifu/go,danycoro/go,uileyar/go,vsdutka/go,undergrowthlinear/go,dpatel06/go,beealone/go,skatsuta/go,NichoZhang/go,Charlesdong/go-1,rentongzhang/go,xujianhai/go,parkdy/go,gdey/go,springning/go,Cofyc/go,albertjin/golang-go,mwhudson/go,XuYunnan/go,jdhenke/go,greyhwndz/go,lihuanghai/go,springning/go,sinuos/go,polyverse-security/go,CAFxX/go,alash3al/go,jacobxk/go,deft-code/go,arschles/golang-go,samanalysis/go,derekmarcotte/go,Jordanzuo/go,miolini/go,codestation/go,slavau/go,greyhwndz/go,xujianhai/go,jameskumar/go,skotti/go,undergrowthlinear/go,linux-on-ibm-z/go,deft-code/go,qskycolor/go,Pulgafree/go,theif519/go,parkdy/go,ericsnowcurrently/go,NunoEdgarGub1/go,dterei/go,snowsnail/go,donnel6809/go,snowsnail/go,ErikDubbelboer/go,ganboing/go-esx,derekmarcotte/go,mgyenik/go,likesea/go,dafyddcrosby/go,sndnvaps/go,donnel6809/go,willjunspecial/go,monetate/go,dpatel06/go,jacobsa/go,greyhwndz/go,gdey/go,linux-on-ibm-z/go,danycoro/go,zcwfeng/go,WIZARD-CXY/go,CiscoCloud/go,shines77/go,XuYunnan/go,famorted/go,jonahglover/go,NichoZhang/go,cyberroadie/go,joshsammut/go,xiaobodu/go,dterei/go,uileyar/go,josharian/go,golang/go,chinanjjohn2012/go,zouchao2010/go,derekmarcotte/go,CAFxX/go,Stan-Lin-/go,zouchao2010/go,odeke-em/go,famorted/go,CarterTsai/go,Stan-Lin-/go,constantine001/go,donnel6809/go,gdey/go,vsdutka/go,honsiorovskyi/go,jonasi/go,yuhengye/go,kim-racktop/go,CiscoCloud/go,jasonxiong/go,NunoEdgarGub1/go,kim-racktop/go,Samurais/go,mdp/go,jacobhaven/go,vanloswang/go,jacobsa/go,jasonxiong/go,rentongzhang/go,likesea/go,skatsuta/go,ichu501/go,likesea/go,ImJasonH/go,jonathanmarvens/go,theif519/go,mbrukman/go,golang/go,uileyar/go,miolini/go,momchil-velikov/go,mbrukman/go,cyberroadie/go,yuhengye/go,joshsammut/go,yangzhongj/go,mbrukman/go,Cofyc/go,jacobhaven/go,josharian/go,alash3al/go,kakuhiroshi/go,golang/go,jacobxk/go,mikekap/go,arschles/golang-go,devpadawan/go,ErikDubbelboer/go,g522342435/go,undergrowthlinear/go,jacobxk/go,mgyenik/go,JioCloud/go,jefby/go,gdey/go,AALEKH/go,theif519/go,vanloswang/go,rentongzhang/go,jonathanmarvens/go,xiuzhifu/go,mwhudson/go,cainiaocome/go,andrewchambers/go,codestation/go,sndnvaps/go,CAFxX/go,devpadawan/go,albertjin/golang-go,linux-on-ibm-z/go,CarterTsai/go,Samurais/go,mbrukman/go,g522342435/go,famorted/go,xujianhai/go,deft-code/go,parkdy/go,ichu501/go,jasonxiong/go,kakuhiroshi/go,chinanjjohn2012/go,arschles/golang-go,xujianhai/go,linux-on-ibm-z/go,XuYunnan/go,zcwfeng/go,josharian/go,constantine001/go,leeric92/go,golang/go,qskycolor/go,akutz/go,CiscoCloud/go,golang/go,xujianhai/go,josharian/go,linux-on-ibm-z/go,ichu501/go,NunoEdgarGub1/go,ObjectiveJoe/go,derekmarcotte/go,roth1002/go,vsekhar/elastic-go,stormltf/go,lihuanghai/go,mikekap/go,parkdy/go,qskycolor/go,shines77/go,arschles/go-1,nakedgc/go