dart2js: run dartfmt on tests

tests/compiler/dart2js/types_of_captured_variables_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 'package:expect/expect.dart';
 import "package:async_helper/async_helper.dart";
 import 'compiler_helper.dart';
 
 const String TEST1 = r"""
 main() {
@@ skipping 19 matching lines @@
   var g = () { a = 'foo'; };
   var f = () => a + 87;
   f();
   g();
 }
 """;
 
 main() {
   // Test that we know the type of captured, non-mutated variables.
   asyncTest(() => compileAll(TEST1).then((generated) {
-    Expect.isTrue(generated.contains('+ 87'));
-  }));
+        Expect.isTrue(generated.contains('+ 87'));
+      }));
 
   // Test that we know the type of captured, mutated variables.
   asyncTest(() => compileAll(TEST2).then((generated) {
-    Expect.isTrue(generated.contains('+ 87'));
-  }));
+        Expect.isTrue(generated.contains('+ 87'));
+      }));
 
   // Test that we know when types of a captured, mutated variable
   // conflict.
   asyncTest(() => compileAll(TEST3).then((generated) {
-    Expect.isFalse(generated.contains('+ 87'));
-  }));
+        Expect.isFalse(generated.contains('+ 87'));
+      }));
 }