Be sure to use absolute paths in intl web server tests

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 669 matching lines @@
       }
 
       var extraCommand = optionsFromFile['extraCommand'];
       if (extraCommand != null) {
         var args = optionsFromFile['extraCommandArgs'];
         // As a special case, a command of "dart" should run with the same
         // dart executable that we are using.
         if (extraCommand == 'dart') {
           extraCommand = new Options().executable;
         }
+        args= args.map((arg)=>arg.replaceAll(@"$dartDir", dartDir.toString()));
         commands.add(new Command(extraCommand, args));
       }
 
       // Construct the command that executes the browser test
       List<String> args;
       if (runtime == 'ie' || runtime == 'ff' || runtime == 'chrome' ||
           runtime == 'safari' || runtime == 'opera' || runtime == 'dartium') {
         args = [dartDir.append('tools/testing/run_selenium.py').toNativePath(),
             '--browser=$runtime',
             '--timeout=${configuration["timeout"] - 2}',
@@ skipping 760 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);
    }
 }