if anonReq.Method != http.MethodHead {
		// read the response body.
		var actualContent []byte
		actualContent, err = io.ReadAll(rec.Body)
		if err != nil {
			t.Fatal(failTestStr(anonTestStr, fmt.Sprintf("Failed parsing response body: <ERROR> %v", err)))
		}

		actualError := &APIErrorResponse{}
		if err = xml.Unmarshal(actualContent, actualError); err != nil {