dart2js: run dartfmt on tests

tests/compiler/dart2js/simple_inferrer_relations_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:async_helper/async_helper.dart';
 import 'package:expect/expect.dart';
 
 import 'compiler_helper.dart';
 
 // Test that if (x == y) where we know nothing about x and y will get optimized
@@ skipping 31 matching lines @@
   var c = inscrutable(0) == 0 ? a : "kurt";
   var d = inscrutable(0) == 0 ? b : "gert";
   if (c == d) {
     print("hestfisk");
   }
 }
 """;
 
 void main() {
   asyncTest(() => compileAll(TEST).then((generated) {
-    if (generated.contains(r'=== true')) {
-      print(generated);
-      Expect.fail("missing elision of '=== true'");
-    }
-  }));
+        if (generated.contains(r'=== true')) {
+          print(generated);
+          Expect.fail("missing elision of '=== true'");
+        }
+      }));
 }