Format all tests.

tests/language_strong/map_literal_syntax_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 "package:expect/expect.dart";
 
 class Foo {
   var x;
   var y;
   var z;
   var v;
-  Foo() : x = {}, y = <String, int>{}, z = const {}, v = const <String, int>{};
+  Foo()
+      : x = {},
+        y = <String, int>{},
+        z = const {},
+        v = const <String, int>{};
 }
 
 main() {
   Expect.equals("{}", new Foo().x.toString());
   Expect.equals("{}", new Foo().y.toString());
   Expect.equals("{}", new Foo().z.toString());
   Expect.equals("{}", new Foo().v.toString());
 }