run_tests: Fixed to accept more than one tests at the command line arguments.
run_tests: Fixed to accept more than one tests at the command line
arguments.

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