Remove invalid assert from test.dart, that webdriver tests require DumpRenderTree.

tools/testing/dart/test_suite.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.
 
 /**
  * Classes and methods for enumerating and preparing tests.
  *
  * This library includes:
  *
  * - Creating tests by listing all the Dart files in certain directories,
@@ skipping 424 matching lines @@
     String filename = info.filename;
     if (optionsFromFile['isMultitest']) return;
     bool isWebTest = optionsFromFile['containsDomImport'];
     bool isLibraryDefinition = optionsFromFile['isLibraryDefinition'];
     if (!isLibraryDefinition && optionsFromFile['containsSourceOrImport']) {
       print('Warning for $filename: Browser tests require #library ' +
             'in any file that uses #import, #source, or #resource');
     }
 
     final String component = configuration['component'];
-    Expect.isTrue(DumpRenderTreeUpdater.componentRequiresDRT(component));
     final String testPath =
         new File(filename).fullPathSync().replaceAll('\\', '/');
 
     for (var vmOptions in optionsFromFile['vmOptions']) {
       // Create a unique temporary directory for each set of vmOptions.
       // TODO(dart:429): Replace separate replaceAlls with a RegExp when
       // replaceAll(RegExp, String) is implemented.
       String optionsName = '';
       if (optionsFromFile['vmOptions'].length > 1) {
           optionsName = Strings.join(vmOptions, '-').replaceAll('-','')
@@ skipping 779 matching lines @@
  * $noCrash tests are expected to be flaky but not crash
  * $pass tests are expected to pass
  * $failOk tests are expected to fail that we won't fix
  * $fail tests are expected to fail that we should fix
  * $crash tests are expected to crash that we should fix
  * $timeout tests are allowed to timeout
 """;
     print(report);
    }
 }