private static void testStart(String site, String page) {
    Fetcher fetcher =
        TestHelper.tryToGet(
            args -> Fetcher.builder().site((String) args[0]).page((String) args[1]).build(),
            site,
            page);

    assertNotNull(fetcher);
    assertNotNull(fetcher.getHeader());
    assertNotNull(fetcher.getLyrics());
    assertNotNull(fetcher.getSource());

    printFetcher(fetcher);
  }
 private static void printFetcher(Fetcher fetcher) {
   System.out.println("Source = " + fetcher.getSource());
   fetcher.getHeader().forEach(System.out::println);
   System.out.println("------------------------------------");
   fetcher.getLyrics().forEach(System.out::println);
 }