Qfs tool test script: implement chown test, remove test directory at the test start.
Qfs tool test script: implement chown test, remove test directory at the test start.

quantcast/qfs,fengshao0907/qfs,thebigbrain/qfs,thebigbrain/qfs,chanwit/qfs,thebigbrain/qfs,fengshao0907/qfs,fengshao0907/qfs,quantcast/qfs,quantcast/qfs,qnu/qfs,qnu/qfs,fengshao0907/qfs,thebigbrain/qfs,quantcast/qfs,quantcast/qfs,thebigbrain/qfs,chanwit/qfs,chanwit/qfs,qnu/qfs,quantcast/qfs,chanwit/qfs,qnu/qfs,thebigbrain/qfs,qnu/qfs,quantcast/qfs,thebigbrain/qfs,fengshao0907/qfs,qnu/qfs,chanwit/qfs,fengshao0907/qfs,qnu/qfs,chanwit/qfs,fengshao0907/qfs,quantcast/qfs,chanwit/qfs,qnu/qfs,chanwit/qfs,thebigbrain/qfs,fengshao0907/qfs