Made Print Preview tests autogenerated from print_preview.js.

chrome/test/data/webui/print_preview.js

 // Copyright (c) 2011 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.
 
 (function() {
    function MockHandler() {
      this.__proto__ = MockHandler.prototype;
    };
 
    MockHandler.prototype = {
@@ skipping 52 matching lines @@
                                  mock_handler,
                                  mock_handler[func]);
      }
    };
 
    if ('window' in this && 'registerMessageCallback' in window)
      registerCallbacks();
  })();
 
 // Tests.
-function testPrintPreview(printEnabled) {
-  var printButton = $('print-button');
-  assertTrue(printButton != null, 'printButton != null');
-  var cancelButton = $('cancel-button');
-  assertTrue(cancelButton != null, 'cancelButton != null');
+function FLAKY_TestPrinterList() {
   var printer_list = $('printer-list');
-  assertTrue(printEnabled, 'printEnabled');
   assertTrue(!!printer_list, 'printer_list');
   assertTrue(printer_list.options.length >= 2, 'printer-list has at least 2');
   expectEquals('FooName', printer_list.options[0].text, '0 text is FooName');
   expectEquals('FooDevice', printer_list.options[0].value,
                '0 value is FooDevice');
   expectEquals('BarName', printer_list.options[1].text, '1 text is BarName');
   expectEquals('BarDevice', printer_list.options[1].value,
                '1 value is BarDevice');
 }
+
+var test_fixture = 'PrintPreviewWebUITest';
+var test_add_library = false;