queue: fix intermitent test
queue: fix intermitent test

You could see it failing a lot with GOMAXPROCS > 1.

kgrvamsi/tsuru,guilhermebr/tsuru,RichardKnop/tsuru,tsuru/tsuru,hcxiong/tsuru,guilhermebr/tsuru,Endika/tsuru,Endika/tsuru,ggarnier/tsuru,ggarnier/tsuru,tuxmonteiro/tsuru,mderaldo/tsuru,hcxiong/tsuru,tsuru/tsuru,gwmoura/tsuru,RichardKnop/tsuru,cgvarela/tsuru,jblancett/tsuru,gciotta/tsuru,mderaldo/tsuru,jblancett/tsuru,guilhermebr/tsuru,RichardKnop/tsuru,cezarsa/tsuru,gciotta/tsuru,tuxmonteiro/tsuru,4eek/tsuru,4eek/tsuru,firebitsbr/tsuru,gciotta/tsuru,kgrvamsi/tsuru,firebitsbr/tsuru,gwmoura/tsuru,cgvarela/tsuru,tsuru/tsuru,tsuru/tsuru,hcxiong/tsuru,firebitsbr/tsuru,ggarnier/tsuru,cgvarela/tsuru,kgrvamsi/tsuru,ggarnier/tsuru,ArxdSilva/tsuru,4eek/tsuru,cezarsa/tsuru,cezarsa/tsuru,guilhermebr/tsuru,jblancett/tsuru,ArxdSilva/tsuru,Endika/tsuru,hugoantunes/tsuru,cezarsa/tsuru,mderaldo/tsuru,ArxdSilva/tsuru,tuxmonteiro/tsuru,hugoantunes/tsuru,gwmoura/tsuru,ArxdSilva/tsuru