Unhide folded sections in wiki pages

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.distiller.webdocument;
 
 import org.chromium.distiller.DomDistillerJsTestCase;
 import org.chromium.distiller.DomWalker;
 
 import com.google.gwt.dom.client.Document;
@@ skipping 112 matching lines @@
         runTest(html, html, true);
     }
 
     public void testKeepContinueNested() throws Throwable {
         // "display: none" is used. See crbug.com/687071
         String html = "<div class=\"continue\" style=\"display: none\">" +
                 "<div>visible element</div></div>";
         runTest(html, html, true);
     }
 
+    public void testWikipediaFoldedSections() throws Throwable {
+        String html = "<div aria-expanded=\"false\" style=\"display: none\">folded section</div>";
+        runTest(html, html, true);
+    }
+
     public void testDataTable() throws Throwable {
         String html = "<table align=\"left\" role=\"grid\">" + // role=grid make this a data table.
                           "<tbody align=\"left\">" +
                               "<tr>" +
                                   "<td>row1col1</td>" +
                                   "<td>row1col2</td>" +
                               "</tr>" +
                           "</tbody>" +
                       "</table>";
         runTest(html, "<datatable/>");
@@ skipping 90 matching lines @@
     }
 
     public void testSocialElements() throws Throwable {
         runTest("<div></div>", "<div></div>");
         runTest("<div data-component=\"share\"></div>", "");
         runTest("<div class=\"socialArea\"></div>", "");
         runTest("<li></li>", "<li></li>");
         runTest("<li class=\"sharing\"></li>", "");
     }
 }