Fix [run_isolated_out_hack] to match multi-line strings
Fix [run_isolated_out_hack] to match multi-line strings

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