language: go
go: 
 - 1.6.x
 - 1.7.x
 - 1.8.x
 - 1.9.x
 - release
 - tip

script:
 - go get github.com/stretchr/testify/assert
 - go test -v ./...

language: go
go: 
 - 1.8.1
 - tip

script:
 - go get github.com/stretchr/testify/assert
 - go test -v github.com/tyler-smith/go-bip32

Update Go versions in Travis.
TWEAK: Update Go versions in Travis.
