Eliminate standalone timeout_test, pass_test, and fail_test.

tools/testing/dart/test_options.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("test_options_parser");
 
 #import("dart:io");
-#import("dart:builtin");
 #import("drt_updater.dart");
 #import("test_suite.dart");
 
 List<String> defaultTestSelectors =
     const ['dartc', 'samples', 'standalone', 'corelib', 'co19', 'language',
            'isolate', 'vm', 'dom', 'html', 'json', 'benchmark_smoke',
            'dartdoc', 'utils', 'pub', 'lib'];
 
 /**
  * Specification of a single test option.
@@ skipping 620 matching lines @@
         return option;
       }
     }
     print('Unknown test option $name');
     exit(1);
   }
 
 
   List<_TestOptionSpecification> _options;
 }