resp := httptest.NewRecorder()
s.handler.ServeHTTP(resp, req)
c.Check(resp.Code, check.Equals, http.StatusOK)
+ c.Check(resp.Header().Get("Access-Control-Allow-Origin"), check.Equals, `*`)
+ c.Check(resp.Header().Get("Access-Control-Allow-Methods"), check.Matches, `.*\bGET\b.*`)
+ c.Check(resp.Header().Get("Access-Control-Allow-Headers"), check.Matches, `.+`)
var cluster arvados.Cluster
c.Log(resp.Body.String())
err := json.Unmarshal(resp.Body.Bytes(), &cluster)