queue: fix data race in test
queue: fix data race in test

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