Format all files under tools and utils directory.

tools/test.dart

 #!/usr/bin/env 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.
 
 /**
  * This file is the entrypoint of the dart test suite.  This suite is used
  * to test:
  *
  *     1. the dart vm
@@ skipping 24 matching lines @@
 import "testing/dart/test_progress.dart";
 import "testing/dart/test_suite.dart";
 import "testing/dart/utils.dart";
 
 Future _deleteTemporaryDartDirectories() {
   var completer = new Completer();
   var environment = Platform.environment;
   if (environment['DART_TESTING_DELETE_TEMPORARY_DIRECTORIES'] == '1') {
     LeftOverTempDirPrinter.getLeftOverTemporaryDirectories().listen(
         (FileSystemEntity tempEntity) {
-          Directory tempDirectory = tempEntity as Directory;
-          try {
-            tempDirectory.deleteSync(recursive: true);
-          } catch (error) {
-            DebugLogger.error(error);
-          }
-        }, onDone: completer.complete);
+      Directory tempDirectory = tempEntity as Directory;
+      try {
+        tempDirectory.deleteSync(recursive: true);
+      } catch (error) {
+        DebugLogger.error(error);
+      }
+    }, onDone: completer.complete);
   } else {
     completer.complete();
   }
   return completer.future;
 }
 
 void main(List<String> arguments) {
   // This script is in [sdk]/tools.
   TestUtils.setDartDirUri(Platform.script.resolve('..'));
   _deleteTemporaryDartDirectories().then((_) {
     var optionsParser = new TestOptionsParser();
     var configurations = optionsParser.parse(arguments);
     if (configurations != null && configurations.length > 0) {
       // All the testing is carried out asynchronously in tasks created by this
       // call.
       // TODO(26372): Ensure that all tasks complete before the returned future.
       testConfigurations(configurations);
     }
   });
 }