func TestWorkerExecCMD(t *testing.T) {
    w := Worker{}
    cmd := "sleep 10; exit 233"
    cli, err := client.NewClient(config.GlobalConfig.DockerServer, "", nil, nil)

    // ...
    // Code that create, start the container
    // ...

    info, err := w.execcmd(context.TODO(), cli, "root", cmd)
    if err != nil {
        t.Logf("Failed error: %+v", err)
        t.Fail()
        return
    }
    if info.ExitCode != 233 {
        t.Logf("Expected exit code 233, got %d", info.ExitCode)
        t.Fail()
        return
    }

}