response, err = s.client.Do(request)
	c.Assert(err, nil)
	// assert the status of http response.
	c.Assert(response.StatusCode, http.StatusOK)

	// object name was "prefix/myobject", an attempt to delete "prefix"
	// Should not delete "prefix/myobject"
	request, err = newTestSignedRequest(http.MethodDelete, getDeleteObjectURL(s.endPoint, bucketName, "prefix"),
		0, nil, s.accessKey, s.secretKey, s.signer)
	c.Assert(err, nil)