Add all dart:html tests from the sdk to test/codegen.

test/codegen/lib/html/table_test.dart

+// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+library TableTest;
+import 'package:unittest/unittest.dart';
+import 'package:unittest/html_config.dart';
+import 'dart:html';
+
+main() {
+  useHtmlConfiguration();
+
+  test('createTBody', () {
+    var table = new TableElement();
+    var head = table.createTHead();
+    expect(table.tHead, head);
+
+    var headerRow =  head.addRow();
+    var headerCell = headerRow.addCell();
+    headerCell.text = 'Header Cell';
+
+    var caption = table.createCaption();
+    expect(table.caption, caption);
+
+    var body = table.createTBody();
+    expect(table.tBodies.length, 1);
+    expect(table.tBodies[0], body);
+
+    var bodyRow =  body.addRow();
+    expect(body.rows.length, 1);
+    expect(body.rows[0], bodyRow);
+
+    var bodyCell = bodyRow.addCell();
+    bodyCell.text = 'Body Cell';
+    expect(bodyRow.cells.length, 1);
+    expect(bodyRow.cells[0], bodyCell);
+
+    var foot = table.createTFoot();
+    expect(table.tFoot, foot);
+
+    var footerRow =  foot.addRow();
+    expect(foot.rows.length, 1);
+    expect(foot.rows[0], footerRow);
+
+    var footerCell = footerRow.addCell();
+    footerCell.text = 'Footer Cell';
+    expect(footerRow.cells.length, 1);
+    expect(footerRow.cells[0], footerCell);
+
+    var body2 = table.createTBody();
+    var bodyRow2 =  body2.addRow();
+    var bodyCell2 = bodyRow2.addCell();
+    bodyCell2.text = 'Body Cell2';
+
+    expect(body2.rows.length, 1);
+
+    expect(table.tBodies.length, 2);
+    expect(table.tBodies[1], body2);
+  });
+}
+