More spring cleaning, this time in the slave recovery tets.
More spring cleaning, this time in the slave recovery tets.

Review: https://reviews.apache.org/r/11279

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