Revert "Test //... in travis CI."
Revert "Test //... in travis CI."

This reverts commit 03481b5dfa044cbffbf4726bc559def36f7fe816. It breaks the CI.

RyRose/smouth-os,RyRose/smouth-os,RyRose/smouth-os,RyRose/smouth-os,RyRose/smouth-os