Use a regex to parse leaked run_tha_test dir
Use a regex to parse leaked run_tha_test dir

cloudera/dist_test,umbrant/dist_test,umbrant/dist_test,xiao-chen/dist_test,umbrant/dist_test,cloudera/dist_test,cloudera/dist_test,cloudera/dist_test,xiao-chen/dist_test,umbrant/dist_test,xiao-chen/dist_test,xiao-chen/dist_test