Add 'set -e' to CI tests script
Add 'set -e' to CI tests script

Otherwise, failed tests are silently ignored.

taskgraph/taskgraph,dzch/taskgraph,5kg/taskgraph,5kg/taskgraph,kod3r/taskgraph,fengjingchao/taskgraph,plutoshe/taskgraph,plutoshe/taskgraph,kod3r/taskgraph,fengjingchao/taskgraph,taskgraph/taskgraph,dzch/taskgraph