unit: split out TestHashFromHexString
unit: split out TestHashFromHexString

dongsupark/fleet,jonboulle/fleet,dalbani/fleet,coreos/fleet,endocode/fleet,giantswarm/fleet,coreos/fleet,dalbani/fleet,dongsupark/fleet,jonboulle/fleet,giantswarm/fleet,endocode/fleet,dalbani/fleet,endocode/fleet,coreos/fleet,jonboulle/fleet,dongsupark/fleet,giantswarm/fleet