Add cross-origin test with credentials.

tools/testing/dart/test_runner.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 executing tests.
  *
  * This module includes:
  * - Managing parallel execution of tests, including timeout checks.
  * - Evaluating the output of each test as pass/fail/crash/timeout.
  */
 library test_runner;
 
 import "dart:io";
 import "dart:isolate";
 import "dart:uri";
 import "status_file_parser.dart";
 import "test_progress.dart";
 import "test_suite.dart";
 
 const int NO_TIMEOUT = 0;
 const int SLOW_TIMEOUT_MULTIPLIER = 4;
+const int SERVER_PORT_ONE = 9876;
+const int SERVER_PORT_TWO = 5432;
 
 typedef void TestCaseEvent(TestCase testCase);
 typedef void ExitCodeEvent(int exitCode);
 typedef void EnqueueMoreWork(ProcessQueue queue);
 
 
 /**
  * [areByteArraysEqual] compares a range of bytes from [buffer1] with a
  * range of bytes from [buffer2].
  *
@@ skipping 1705 matching lines @@
         // the developer doesn't waste his or her time trying to fix a bunch of
         // tests that appear to be broken but were actually just flakes that
         // didn't get retried because there had already been one failure.
         bool allowRetry = _MAX_FAILED_NO_RETRY > _progress.numFailedTests;
         new RunningProcess(test, allowRetry, this).start();
       }
       _numProcesses++;
     }
   }
 }