public HttpResult getBinary(String url) throws IOException, NotModifiedException {
		return getBinary(url, null, null);
	}
@Test
	void lastModifiedReturns304() {
		this.mockServerClient.when(HttpRequest.request().withMethod("GET").withHeader(HttpHeaders.IF_MODIFIED_SINCE, "123456"))
				.respond(HttpResponse.response().withStatusCode(HttpStatus.SC_NOT_MODIFIED));

		Assertions.assertThrows(NotModifiedException.class, () -> getter.getBinary(this.feedUrl, "123456", null));
	}