Add "-race" test to travis.
Add "-race" test to travis.

seuffert/rclone,alexcouper/rclone,olihey/rclone,yonjah/rclone,ncw/rclone,seuffert/rclone,klauspost/rclone,arcimboldo/rclone,B4dM4n/rclone,kynikos/rclone,yonjah/rclone,jackschmidt/rclone,arcimboldo/rclone,ncw/rclone,arcimboldo/rclone,olihey/rclone,kynikos/rclone,jackschmidt/rclone,klauspost/rclone,seuffert/rclone,ncw/rclone,greendayo7/rclone,olihey/rclone,B4dM4n/rclone,jackschmidt/rclone,simlelievre/rclone,simlelievre/rclone,kynikos/rclone,arcimboldo/rclone,olihey/rclone,greendayo7/rclone,alexcouper/rclone,alexcouper/rclone,yonjah/rclone,yonjah/rclone,B4dM4n/rclone,kynikos/rclone,ncw/rclone,jackschmidt/rclone,simlelievre/rclone,seuffert/rclone,greendayo7/rclone,klauspost/rclone,greendayo7/rclone,B4dM4n/rclone