dart2js: run dartfmt on tests

tests/compiler/dart2js/builtin_interceptor_test.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.
 
 import 'dart:async';
 import 'package:expect/expect.dart';
 import 'package:async_helper/async_helper.dart';
 import 'compiler_helper.dart';
 
 const String TEST_ONE = r"""
 foo() {
   return "foo".length;
 }
 """;
 
 const String TEST_TWO = r"""
 foo() {
   return r"foo".length;
 }
 """;
 
 const String TEST_THREE = r"""
 foo() {
   return new List().add(2);
 }
 """;
 
 main() {
   asyncTest(() => Future.wait([
-    compile(TEST_ONE, entry: 'foo', check: (String generated) {
-      Expect.isTrue(generated.contains("return 3;"));
-    }),
-    compile(TEST_TWO, entry: 'foo', check: (String generated) {
-      Expect.isTrue(generated.contains("return 3;"));
-    }),
-    compile(TEST_THREE, entry: 'foo', check: (String generated) {
-      Expect.isTrue(generated.contains("push(2);"));
-    }),
-  ]));
+        compile(TEST_ONE, entry: 'foo', check: (String generated) {
+          Expect.isTrue(generated.contains("return 3;"));
+        }),
+        compile(TEST_TWO, entry: 'foo', check: (String generated) {
+          Expect.isTrue(generated.contains("return 3;"));
+        }),
+        compile(TEST_THREE, entry: 'foo', check: (String generated) {
+          Expect.isTrue(generated.contains("push(2);"));
+        }),
+      ]));
 }