"Content-Language",
		"Cache-Control",
		"Retry-After",
		"X-Amz-Bucket-Region",
		"Expires",
		"X-Amz*",
		"X-Amz*",
		"*",
	}
	expectedMap.Set("Vary", "Origin")

	req, _ := http.NewRequest(http.MethodOptions, s.endPoint, nil)
	req.Header.Set("Origin", "http://foobar.com")
	res, err := s.client.Do(req)
	if err != nil {
		c.Fatal(err)
	}

	for k := range expectedMap {

pkg net/http, func MaxBytesReader(ResponseWriter, io.ReadCloser, int64) io.ReadCloser
pkg net/http, func NewFileTransport(FileSystem) RoundTripper
pkg net/http, func NewRequest(string, string, io.Reader) (*Request, error)
pkg net/http, func NewServeMux() *ServeMux
pkg net/http, func NotFound(ResponseWriter, *Request)
pkg net/http, func NotFoundHandler() Handler