update go.tools import
update go.tools import

lwoydziak/counterfeiter,lwoydziak/counterfeiter,damon-pivotal/counterfeiter,maxbrunsfeld/counterfeiter,challiwill/counterfeiter,davidwadden/counterfeiter,damon-pivotal/counterfeiter,matematik7/counterfeiter,maxbrunsfeld/counterfeiter,challiwill/counterfeiter,davidwadden/counterfeiter,matematik7/counterfeiter