test(functional): Clarify retry code
test(functional): Clarify retry code

bcwaldon/fleet,esatterwhite/fleet,dongsupark/fleet,coreos/fleet,paveltiunov/fleet,dongsupark/fleet,coreos/fleet,giantswarm/fleet,endocode/fleet,improbable-io/fleet,dalbani/fleet,webwlsong/fleet,dalbani/fleet,flandr/fleet,mischief/fleet,esatterwhite/fleet,WPMedia/fleet,flandr/fleet,jonboulle/fleet,mwitkow/fleet,giantswarm/fleet,improbable-io/fleet,giantswarm/fleet,mwitkow/fleet,jonboulle/fleet,ecnahc515/fleet,mwitkow-io/fleet,coreos/fleet,endocode/fleet,dalbani/fleet,mwitkow-io/fleet,thepwagner/fleet,octoblu/fleet,improbable-io/fleet,ecnahc515/fleet,octoblu/fleet,bcwaldon/fleet,endocode/fleet,bviswana101/fleet,jonboulle/fleet,hhoover/fleet,mwhooker/fleet,paveltiunov/fleet,mwhooker/fleet,mookjp/fleet,bviswana101/fleet,WPMedia/fleet,mischief/fleet,wuqixuan/fleet,bcwaldon/fleet,dongsupark/fleet,thepwagner/fleet,wuqixuan/fleet,ecnahc515/fleet,webwlsong/fleet,hhoover/fleet,mookjp/fleet