Fixed a flaky slave recovery test.
Fixed a flaky slave recovery test.

zmalik/mesos,kaysoky/mesos,chhsia0/mesos,Aman-Jain-14/customizedMesos,chhsia0/mesos,gsantovena/mesos,gsantovena/mesos,Aman-Jain-14/customizedMesos,zmalik/mesos,abudnik/mesos,Aman-Jain-14/customizedMesos,yuquanshan/customizedMesos,gsantovena/mesos,Aman-Jain-14/customizedMesos,Gilbert88/mesos,jpeach/mesos,jpeach/mesos,craimbert/mesos,craimbert/mesos,kaysoky/mesos,Aman-Jain-14/customizedMesos,yuquanshan/customizedMesos,asamerh4/mesos,dforsyth/mesos,chhsia0/mesos,Gilbert88/mesos,asamerh4/mesos,asamerh4/mesos,reneploetz/mesos,andschwa/mesos,andschwa/mesos,andschwa/mesos,Aman-Jain-14/customizedMesos,dforsyth/mesos,jpeach/mesos,Gilbert88/mesos,Gilbert88/mesos,verizonlabs/mesos,andschwa/mesos,gsantovena/mesos,neilconway/mesos,jpeach/mesos,kaysoky/mesos,dforsyth/mesos,reneploetz/mesos,jpeach/mesos,asamerh4/mesos,neilconway/mesos,andschwa/mesos,dforsyth/mesos,Gilbert88/mesos,jpeach/mesos,jpeach/mesos,chhsia0/mesos,Gilbert88/mesos,zmalik/mesos,chhsia0/mesos,neilconway/mesos,andschwa/mesos,dforsyth/mesos,yuquanshan/customizedMesos,gsantovena/mesos,reneploetz/mesos,dforsyth/mesos,abudnik/mesos,asamerh4/mesos,verizonlabs/mesos,neilconway/mesos,chhsia0/mesos,yuquanshan/customizedMesos,neilconway/mesos,reneploetz/mesos,neilconway/mesos,yuquanshan/customizedMesos,kaysoky/mesos,zmalik/mesos,kaysoky/mesos,yuquanshan/customizedMesos,reneploetz/mesos,Aman-Jain-14/customizedMesos,zmalik/mesos,zmalik/mesos,abudnik/mesos,zmalik/mesos,kaysoky/mesos,chhsia0/mesos,verizonlabs/mesos,verizonlabs/mesos,abudnik/mesos,craimbert/mesos,craimbert/mesos,asamerh4/mesos,kaysoky/mesos,abudnik/mesos,gsantovena/mesos,verizonlabs/mesos,asamerh4/mesos,andschwa/mesos,gsantovena/mesos,dforsyth/mesos,abudnik/mesos,verizonlabs/mesos,craimbert/mesos,craimbert/mesos,Gilbert88/mesos,yuquanshan/customizedMesos,verizonlabs/mesos,craimbert/mesos,neilconway/mesos,abudnik/mesos,reneploetz/mesos,reneploetz/mesos