public void testExtractIframeContents() throws Exception {
RunWithWebServer server = new RunWithWebServer("/site");
server.before();
CrawljaxConfigurationBuilder builder = CrawljaxConfiguration
.builderFor(server.getSiteUrl().toExternalForm() + "iframe/");
builder.crawlRules().click("a");
CrawljaxConfiguration config = builder.build();
CandidateElementExtractor extractor = newElementExtractor(config);
browser.goToUrl(new URL(server.getSiteUrl().toExternalForm() + "iframe/"));
List<CandidateElement> candidates = extractor.extract(DUMMY_STATE);