Revert "try serial tests to see if it makes the pipeline happier"
Revert "try serial tests to see if it makes the pipeline happier"

This reverts commit b46d08d2bc14bb4ef1482a1927023706a891c100.

This didn't fix anything. Same lock up still happens.

zachgersh/concourse,jbayer/concourse,CloudCredo/concourse,concourse/concourse,zachgersh/concourse,holgero/concourse,zachgersh/concourse,longnguyen11288/concourse,cjcjameson/concourse,cjcjameson/concourse,sedouard/concourse,Amit-PivotalLabs/concourse,squeedee/concourse,sedouard/concourse,CloudCredo/concourse,holgero/concourse,squeedee/concourse,Amit-PivotalLabs/concourse,longnguyen11288/concourse,longnguyen11288/concourse,jbayer/concourse,beni55/concourse,concourse/concourse,beni55/concourse,concourse/concourse,squeedee/concourse,Amit-PivotalLabs/concourse,sedouard/concourse,jbayer/concourse,holgero/concourse,concourse/concourse,CloudCredo/concourse,cjcjameson/concourse,concourse/concourse,beni55/concourse