public HttpResult getBinary(String url) throws IOException, NotModifiedException {
		return getBinary(url, null, null);
	}
@Test
	void userAgent() throws Exception {
		this.mockServerClient.when(HttpRequest.request().withMethod("GET").withHeader(HttpHeaders.USER_AGENT, "http-getter-test"))
				.respond(HttpResponse.response().withBody("ok"));

		HttpResult result = getter.getBinary(this.feedUrl);
		Assertions.assertEquals("ok", new String(result.getContent()));
	}