try fix travis
language: go
go:
- - "1.11"
-
-before_install:
- - go get -t -v ./...
+ - "1.12"
script:
- - go test -coverprofile=coverage.txt -covermode=atomic
+ - go test -mod=vendor -coverprofile=coverage.txt -covermode=atomic
after_success:
- bash <(curl -s https://codecov.io/bash)
