Format all tests.

tests/language/regress_23046_test.dart

 // Copyright (c) 2015, 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";
 
 // Make sure the logic for skipping the initial quotes in a string isn't
 // re-triggered after an interpolation expression.
 
 const String x = '$y"';
 const String y = 'foo';
-const Map m = const { x: 0, y: 1 };
+const Map m = const {x: 0, y: 1};
 
 main() {
   Expect.equals(x, 'foo"');
   Expect.equals(m.length, 2);
 }