Added open streams flushing before the test worker exits
Added open streams flushing before the test worker exits

hppritcha/Criterion,a1lu/Criterion,hppritcha/Criterion,zenlambda/Criterion,kaidowei/Criterion,Snaipe/Criterion,Snaipe/Criterion,zenlambda/Criterion,kaidowei/Criterion,am11/Criterion,hppritcha/Criterion,Snaipe/Criterion,am11/Criterion,kaidowei/Criterion,kaidowei/Criterion,offa/Criterion,a1lu/Criterion,offa/Criterion,am11/Criterion,kaidowei/Criterion,Snaipe/Criterion,zenlambda/Criterion,a1lu/Criterion,offa/Criterion,a1lu/Criterion,am11/Criterion,am11/Criterion,offa/Criterion,a1lu/Criterion,Snaipe/Criterion,offa/Criterion