Use stricter comment-detecting heuristics

javatests/org/chromium/distiller/webdocument/ElementActionTest.java

Index: javatests/org/chromium/distiller/webdocument/ElementActionTest.java
diff --git a/javatests/org/chromium/distiller/webdocument/ElementActionTest.java b/javatests/org/chromium/distiller/webdocument/ElementActionTest.java
index 5d4bfbe9e44d2769d40211ec5dfa022cbd3c4ac9..5b941e7c872854a61a339ee5ec397e9d7bd9ef6e 100644
--- a/javatests/org/chromium/distiller/webdocument/ElementActionTest.java
+++ b/javatests/org/chromium/distiller/webdocument/ElementActionTest.java
@@ -108,10 +108,12 @@ public class ElementActionTest extends DomDistillerJsTestCase {
                     DefaultLabels.STRICTLY_NOT_CONTENT));
         assertTrue(hasLabel(getForHtml("<div id=\"comments\"></div>"),
                     DefaultLabels.STRICTLY_NOT_CONTENT));
-
         assertTrue(hasLabel(getForHtml("<div class=\"user-comments\"></div>"),
                     DefaultLabels.STRICTLY_NOT_CONTENT));
 
+        assertFalse(hasLabel(getForHtml("<article class=\"user-comments\"></div>"),
+                    DefaultLabels.STRICTLY_NOT_CONTENT));
+
         /**
          * Element.getClassName() returns SVGAnimatedString for SvgElement
          * https://code.google.com/p/google-web-toolkit/issues/detail?id=9195
@@ -123,7 +125,7 @@ public class ElementActionTest extends DomDistillerJsTestCase {
                              "class1 class2 class3 class4 class5 class6 class7 class8\"></div>"),
                 DefaultLabels.STRICTLY_NOT_CONTENT));
         assertTrue(hasLabel(getForHtml(
-                "<div class=\"     user-comments                         a       b   \"></div>"),
+                "<div class=\"     user-comments                         a          \"></div>"),
                 DefaultLabels.STRICTLY_NOT_CONTENT));
     }
 }