Support batch running of dartc tests.

tests/standalone/src/TestRunnerTest.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("TestRunnerTest");
 
 #import("../../../tools/testing/dart/test_runner.dart");
 #import("../../../tools/testing/dart/status_file_parser.dart");
 #source("ProcessTestUtil.dart");
 
@@ skipping 39 matching lines @@
                                "--enable_type_checks",
                                test_path],
                       timeout,
                       TestController.processCompletedTest,
                       new Set<String>.from(expectations));
 }
 
 
 void main() {
   int timeout = 2;
-  new RunningProcess(MakeTestCase("PassTest", [PASS]), timeout).start();
-  new RunningProcess(MakeTestCase("FailTest", [FAIL]), timeout).start();
-  new RunningProcess(MakeTestCase("TimeoutTest", [TIMEOUT]), timeout).start();
+  new RunningProcess(MakeTestCase("PassTest", [PASS])).start();
+  new RunningProcess(MakeTestCase("FailTest", [FAIL])).start();
+  new RunningProcess(MakeTestCase("TimeoutTest", [TIMEOUT])).start();
 
   new RunningProcess(new TestCase("CrashTest",
                                   getProcessTestFileName(),
                                   const ["0", "0", "1", "1"],
                                   timeout,
                                   TestController.processCompletedTest,
-                                  new Set<String>.from([CRASH])),
-                     timeout).start();
+                                  new Set<String>.from([CRASH]))).start();
   Expect.equals(4, TestController.numTests);
   // Throw must be from body of start() function for this test to work.
-  Expect.throws(
-      new RunningProcess(MakeTestCase("PassTest", [SKIP]), timeout).start);
+  Expect.throws(new RunningProcess(MakeTestCase("PassTest", [SKIP])).start);
 }