Format all tests.

tests/language/regress_23650_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.
 
 // Test that type variables in try-catch work.
 
 import "package:expect/expect.dart";
 
 class C<T> {
   C.foo();
   factory C() {
     try {
       return new C<T>.foo();
-    } finally {
-    }
+    } finally {}
   }
 }
 
 main() {
   var c = new C<int>();
   Expect.isTrue(c is C<int>);
   Expect.isFalse(c is C<String>);
 }