server.enqueue(response)
    assertContent("ABCDEFGHIJKLMNOPQR", getResponse(newRequest("/foo")))
    assertThat(server.takeRequest().exchangeIndex).isEqualTo(0)
    assertContent("ABCDEFGHIJKLMNOPQR", getResponse(newRequest("/bar?baz=quux")))
    assertThat(server.takeRequest().exchangeIndex).isEqualTo(1)
    assertContent("ABCDEFGHIJKLMNOPQR", getResponse(newRequest("/z")))
    assertThat(server.takeRequest().exchangeIndex).isEqualTo(2)
  }

		"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 {