Added '--package-root' to http_server.dart.

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.
@@ skipping 1580 matching lines @@
         // The test is not yet ready to run. Put the test back in
         // the queue.  Avoid spin-polling by using a timeout.
         _tests.add(test);
         new Timer(100, (_) => _tryRunTest());  // Don't lose a process.
         return;
       }
       if (_verbose) {
         int i = 1;
         if (test is BrowserTestCase) {
           // Additional command for rerunning the steps locally after the fact.
           print('$i. ${TestUtils.dartTestExecutable.toNativePath()} '

[ricow1, 2013/02/01 10:19:12]

The fact that we do the exact same thing two places makes me wonder if we should
extract this into a utility funciton?

[kustermann, 2013/02/01 10:22:17]

That is true. It actually belongs IMHO to http_server.dart. But for now, I'd
like to land this simple fix.

                 '${TestUtils.dartDir().toNativePath()}/tools/testing/dart/'
                 'http_server.dart -m ${test.configuration["mode"]} '
                 '-a ${test.configuration["arch"]} '

[ahe, 2013/02/01 10:28:59]

-m and -a unused.

                 '-p ${http_server.TestingServerRunner.serverList[0].port} '
-                '-c ${http_server.TestingServerRunner.serverList[1].port}');
+                '-c ${http_server.TestingServerRunner.serverList[1].port} '
+                '--package-root='
+                '${http_server.TestingServerRunner.packageRootDir}');
           i++;
         }
         for (Command command in test.commands) {
           print('$i. ${command.commandLine}');
           i++;
         }
       }
 
       var isLastCommand =
           ((test.commands.length-1) == test.commandOutputs.length);
@@ skipping 132 matching lines @@
           completer.complete(testCase);
         }
       });
     }
     runCommand();
 
     return completer.future;
   }
 }