Format all tests.

tests/language/constructor_name_clash_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';
 import 'constructor_name_clash_lib.dart' as lib;
 
 class A extends lib.A {
   A() {
     lib.global += 100;
-    try {} catch(e) {} // no inline
+    try {} catch (e) {} // no inline
   }
 }
 
 main() {
   new A();
   Expect.equals(110, lib.global);
 }