String value;

        value = transformer.normalizeCanonicalUrl("http://hoge.com/", "a");
        assertEquals("http://hoge.com/a", value);

        value = transformer.normalizeCanonicalUrl("http://hoge.com/", "aaa");
        assertEquals("http://hoge.com/aaa", value);

        value = transformer.normalizeCanonicalUrl("http://hoge.com/", "/aaa");
        assertEquals("http://hoge.com/aaa", value);

        }
        return normalizeCanonicalUrl(responseData.getUrl(), canonicalUrl);
    }

    /**
     * Normalizes the canonical URL relative to the base URL.
     *
     * @param baseUrl the base URL
     * @param canonicalUrl the canonical URL to normalize
     * @return the normalized canonical URL
     */
    protected String normalizeCanonicalUrl(final String baseUrl, final String canonicalUrl) {