Refs #6311. Make the test functions work without the new --testname argument (but they cannot run in parallel that way)
Refs #6311. Make the test functions work without the new --testname argument (but they cannot run in parallel that way)

tplavcic/Percona-TokuBackup,percona/Percona-TokuBackup,dbpercona/Percona-TokuBackup,Jun-Yuan/Percona-TokuBackup,guiquanz/Percona-TokuBackup,Jun-Yuan/Percona-TokuBackup,kbauskar/Percona-TokuBackup,kbauskar/Percona-TokuBackup,dbpercona/Percona-TokuBackup,percona/Percona-TokuBackup,percona/Percona-TokuBackup,tplavcic/Percona-TokuBackup,tplavcic/Percona-TokuBackup,percona/Percona-TokuBackup,tplavcic/Percona-TokuBackup,guiquanz/Percona-TokuBackup,dbpercona/Percona-TokuBackup,kbauskar/Percona-TokuBackup,kbauskar/Percona-TokuBackup,guiquanz/Percona-TokuBackup,Jun-Yuan/Percona-TokuBackup,dbpercona/Percona-TokuBackup,Jun-Yuan/Percona-TokuBackup,guiquanz/Percona-TokuBackup