Clean up test_runner Command subclass hash/equality.

tests/standalone/io/test_runner_test.dart

 // Copyright (c) 2013, 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.
 
 import "dart:io";
 import "dart:isolate";
 import "dart:async";
 import "../../../tools/testing/dart/test_runner.dart";
 import "../../../tools/testing/dart/test_suite.dart";
 import "../../../tools/testing/dart/test_progress.dart" as progress;
@@ skipping 39 matching lines @@
   static void finished() {
     if (numTests != numCompletedTests) {
       throw "bad completion count. "
             "expected: $numTests, actual: $numCompletedTests";
     }
   }
 }
 
 
 class CustomTestSuite extends TestSuite {
-  CustomTestSuite() : super({}, "CustomTestSuite");
+  CustomTestSuite(Map configuration) : super(configuration, "CustomTestSuite");
 
   void forEachTest(TestCaseEvent onTest, Map testCache, [onDone]) {
     void enqueueTestCase(testCase) {
       TestController.numTests++;
       onTest(testCase);
     }
 
     var testCaseCrash = _makeCrashTestCase("crash", [Expectation.CRASH]);
     var testCasePass = _makeNormalTestCase("pass", [Expectation.PASS]);
     var testCaseFail = _makeNormalTestCase("fail", [Expectation.FAIL]);
@@ skipping 39 matching lines @@
                         configuration,
                         new Set<Expectation>.from(expectations));
   }
 }
 
 void testProcessQueue() {
   var maxProcesses = 2;
   var maxBrowserProcesses = maxProcesses;
   var config = new TestOptionsParser().parse(['--nobatch'])[0];
   new ProcessQueue(config, maxProcesses, maxBrowserProcesses,
-      new DateTime.now(), [new CustomTestSuite()],
+      new DateTime.now(), [new CustomTestSuite(config)],
       [new EventListener()], TestController.finished);
 }
 
 class EventListener extends progress.EventListener{
   void done(TestCase test) {
     TestController.processCompletedTest(test);
   }
 }
 
 void main(List<String> arguments) {
@@ skipping 12 matching lines @@
         break;
       case 'timeout':
         // This process should be killed by the test after DEFAULT_TIMEOUT
         new Timer(new Duration(hours: 42), (){ });
         break;
       default:
         throw "Unknown option ${arguments[0]} passed to test_runner_test";
     }
   }
 }