dart2js: run dartfmt on tests

tests/compiler/dart2js/is_inference_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.
 
 import 'dart:async';
 import 'package:expect/expect.dart';
 import 'package:async_helper/async_helper.dart';
 import 'compiler_helper.dart';
 
 const String TEST_IF = r"""
@@ skipping 65 matching lines @@
     RegExp validAdd =
         new RegExp("($anyIdentifier \\+ 42)|($anyIdentifier \\+= 42)");
     RegExp invalidAdd = new RegExp("$anyIdentifier \\+ 53");
     Expect.isTrue(validAdd.hasMatch(generated));
     Expect.isFalse(invalidAdd.hasMatch(generated));
   });
 }
 
 main() {
   asyncTest(() => Future.wait([
-    compileAndTest(TEST_IF),
-    compileAndTest(TEST_IF_ELSE),
-    compileAndTest(TEST_IF_RETURN),
-    compileAndTest(TEST_IF_NOT_ELSE),
-    compileAndTest(TEST_IF_NOT_RETURN),
-    compileAndTest(TEST_IF_NOT_ELSE_RETURN),
-  ]));
+        compileAndTest(TEST_IF),
+        compileAndTest(TEST_IF_ELSE),
+        compileAndTest(TEST_IF_RETURN),
+        compileAndTest(TEST_IF_NOT_ELSE),
+        compileAndTest(TEST_IF_NOT_RETURN),
+        compileAndTest(TEST_IF_NOT_ELSE_RETURN),
+      ]));
 }