Fix test.dart test.

tests/standalone/io/skipping_dart2js_compilations_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.
 
 // OtherResources=skipping_dart2js_compilations_helper.dart
 
 /*
  * This test makes sure that the "skipping Dart2Js compilations if the output is
  * already up to date" feature does work as it should.
  * Therefore this test ensures that compilations are only skipped if the last
@@ skipping 135 matching lines @@
 }
 
 Command makeCompilationCommand(String testName, FileUtils fileUtils) {
   var createFileScript = Platform.script
       .resolve('skipping_dart2js_compilations_helper.dart')
       .toFilePath();
   var executable = Platform.executable;
   var arguments = [createFileScript, fileUtils.scriptOutputPath.toNativePath()];
   var bootstrapDeps = [Uri.parse("file://${fileUtils.testSnapshotFilePath}")];
   return Command.compilation('dart2js', fileUtils.testJsFilePath.toNativePath(),
-      false, bootstrapDeps, executable, arguments, {});
+      bootstrapDeps, executable, arguments, {},
+      alwaysCompile: false);
 }
 
 void main() {
   // This script is in [sdk]/tests/standalone/io.
   TestUtils.setDartDirUri(Platform.script.resolve('../../..'));
 
   var fs_noTestJs = new FileUtils(
       createJs: false,
       createJsDeps: true,
       createDart: true,
@@ skipping 74 matching lines @@
       throw error;
     }).then((_) {
       cleanup();
     });
   }
 
   // We need to wait some time to make sure that the files we 'touch' get a
   // bigger timestamp than the old ones
   new Timer(new Duration(seconds: 1), touchFilesAndRunTests);
 }