dart2js: run dartfmt on tests

tests/compiler/dart2js/class_codegen_test.dart

 // Copyright (c) 2012, 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.
 // Test that parameters keep their names in the output.
 
 import "package:expect/expect.dart";
 import "package:async_helper/async_helper.dart";
 import 'compiler_helper.dart';
 
 const String TEST_ONE = r"""
@@ skipping 47 matching lines @@
   A(a) : this.a = a {}
 }
 
 main() {
   new A(3);
 }
 """;
 
 twoClasses() {
   asyncTest(() => compileAll(TEST_ONE).then((generated) {
-    Expect.isTrue(generated.contains(new RegExp('A: {[ \n]*"\\^": "Object;"')));
-    Expect.isTrue(generated.contains(new RegExp('B: {[ \n]*"\\^": "Object;"')));
-  }));
+        Expect.isTrue(
+            generated.contains(new RegExp('A: {[ \n]*"\\^": "Object;"')));
+        Expect.isTrue(
+            generated.contains(new RegExp('B: {[ \n]*"\\^": "Object;"')));
+      }));
 }
 
 subClass() {
   checkOutput(String generated) {
     Expect.isTrue(generated.contains(new RegExp('A: {[ \n]*"\\^": "Object;"')));
     Expect.isTrue(generated.contains(new RegExp('B: {[ \n]*"\\^": "A;"')));
   }
 
   asyncTest(() => compileAll(TEST_TWO).then(checkOutput));
   asyncTest(() => compileAll(TEST_THREE).then(checkOutput));
 }
 
 fieldTest() {
   asyncTest(() => compileAll(TEST_FOUR).then((generated) {
-    Expect.isTrue(generated.contains(
-        new RegExp('B: {[ \n]*"\\^": "A;y,z,x",[ \n]*static:')));
-  }));
+        Expect.isTrue(generated
+            .contains(new RegExp('B: {[ \n]*"\\^": "A;y,z,x",[ \n]*static:')));
+      }));
 }
 
 constructor1() {
   asyncTest(() => compileAll(TEST_FIVE).then((generated) {
-    Expect.isTrue(generated.contains(new RegExp(r"new [$A-Z]+\.A\(a\);")));
-  }));
+        Expect.isTrue(generated.contains(new RegExp(r"new [$A-Z]+\.A\(a\);")));
+      }));
 }
 
 main() {
   twoClasses();
   subClass();
   fieldTest();
   constructor1();
 }