0, nil, s.accessKey, s.secretKey, s.signer)
	c.Assert(err, nil)

	// execute the request.
	response, err = s.client.Do(req)
	c.Assert(err, nil)
	if s.signer == signerV4 {
		verifyError(c, response, "XAmzContentSHA256Mismatch", "The provided 'x-amz-content-sha256' header does not match what was computed.", http.StatusBadRequest)
	}
}

// Test deletes multiple objects and verifies server response.