run_tests: Arranged to output a test name column before OK or NG.
run_tests: Arranged to output a test name column before OK or NG.

It is useful when I want to $(./run_tests | grep -w NG).

SumiTomohiko/fsyscall2,SumiTomohiko/fsyscall2,SumiTomohiko/fsyscall2,SumiTomohiko/fsyscall2,SumiTomohiko/fsyscall2