Kubetest Installation errors on Ubuntu

Hello all,

While I tried to install kubetest using below its failing.

Could someone please suggest on this.

vagrant@master-2:~$ go version
go version go1.12.1 linux/amd64

vagrant@master-2:~$ go get -v -u k8s.io/test-infra/kubetest
go/src/github.com/docker/docker/vendor/github.com/containerd/containerd/errdefs/errors.go:54:9: undefined: github.com/docker/docker/vendor/github.com/pkg/errors.Is
go/src/github.com/docker/docker/vendor/github.com/containerd/containerd/errdefs/errors.go:5
go/src/github.com/hashicorp/go-multierror/multierror.go:112:9: undefined: errors.As
go/src/github.com/hashicorp/go-multierror/multierror.go:117:9: undefined: errors.Is

Hello prasadvrv,
Please check the following link https://github.com/mmumshad/kubernetes-the-hard-way/blob/master/docs/16-e2e-tests.md