var ( atcServer *ghttp.Server client concourse.Client team concourse.Team ) var _ = BeforeEach(func() { atcServer = ghttp.NewServer() client = concourse.NewClient( atcServer.URL(), &http.Client{}, ) team = client.Team("some-team") }) var _ = AfterEach(func() { atcServer.Close() }) func Change(fn func() int) *changeMatcher { return &changeMatcher{ fn: fn, } } type changeMatcher struct { fn func() int amount int