removed `make test` command form Travis CI (`make test` is already included in `make`)
removed `make test` command form Travis CI (`make test` is already included in `make`)

christian-reintges/amos-ss17-proj4,christian-reintges/amos-ss17-proj4,christian-reintges/amos-ss17-proj4,christian-reintges/amos-ss17-proj4