Test script tools/test.dart: fix type error in test_suite.dart.

tools/testing/dart/test_suite.dart

 // Copyright (c) 2011, 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_suite");
 
 #import("status_file_parser.dart");
 #import("test_runner.dart");
 
 interface TestSuite {
@@ skipping 92 matching lines @@
     testExpectations =
         new TestExpectations(complexMatching: complexStatusMatching());
     for (var statusFilePath in statusFilePaths) {
       ReadTestExpectationsInto(testExpectations,
                                statusFilePath,
                                configuration);
     }
 
     receiveTestName = new ReceivePort();
     new CCTestListerIsolate().spawn().then((port) {
-        port.send(runnerPath, receiveTestName);
+        port.send(runnerPath, receiveTestName.toSendPort());
         receiveTestName.receive(testNameHandler);
     });
   }
 
   void completeHandler(TestCase testCase) {
   }
 }
 
 
 class StandardTestSuite implements TestSuite {
@@ skipping 206 matching lines @@
       args.add("--enable_leg");
     }
     if (configuration["component"] == "dartc") {
       if (configuration["mode"] == "release") {
         args.add("--optimize");
       }
     }
     return args;
   }
 }