Format all tests.

tests/language/execute_finally12_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.
 
 // Regression test for dart2js that used to not treat the finally
 // block as a successor of a nested try block.
 
 import "package:expect/expect.dart";
 
 var a;
 
 foo() {
   var b = a == 8; // This should not be GVN'ed.
   while (!b) {
     try {
-      try {
-      } finally {
+      try {} finally {
         a = 8;
         break;
       }
     } finally {
       return a == 8;
     }
   }
 }
 
 main() {
   Expect.isTrue(foo());
 }