fix ut #113

webmagic-core/src/test/java/us/codecraft/webmagic/selector/SelectorTest.java

@@ -28,8 +28,7 @@ public class SelectorTest {
     public void testNodes() throws Exception {
         Html selectable = new Html(html);
         List<Selectable> links = selectable.xpath("//a").nodes();
-        for (Selectable link : links) {
-            System.out.println(link.xpath("/@href"));
-        }
+        assertThat(links.get(0).xpath("/@href").get()).isEqualTo("http://whatever.com/aaa");
+        assertThat(links.get(1).xpath("/@href").get()).isEqualTo("http://whatever.com/bbb");
     }
 }