queue: make test more reliable
queue: make test more reliable

With multiple tubes, this test became intermitent.

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