Fixed variable shadowing in module_tests.cpp.
Fixed variable shadowing in module_tests.cpp.

Review: https://reviews.apache.org/r/29855

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