fix bug in travis yml file
fix bug in travis yml file


Former-commit-id: f6b1b4716d81759d80be114d98ea9b12e17824e9
djtotten/workbench,SuperCowPowers/workbench,djtotten/workbench,djtotten/workbench,SuperCowPowers/workbench,SuperCowPowers/workbench