public static String removeTrailingSlash(String url) {
		if (url.endsWith("/")) {
			url = url.substring(0, url.length() - 1);
		}
		return url;
	}
@Test
	void testRemoveTrailingSlash() {
		final String url = "http://localhost/";
		final String result = FeedUtils.removeTrailingSlash(url);
		Assertions.assertEquals("http://localhost", result);
	}