Format all tests.

tests/language/regress_26530_test.dart

 // Copyright (c) 2016, 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";
 
 var trace = "";
 
 main() {
   var x = 0;
   try {
     try {
-      throw x++;  // 1
+      throw x++; // 1
     } on int catch (e) {
       trace += "$e";
       trace += "-$x";
-      x++;  // 2
+      x++; // 2
       try {
-        x++;  // 3
+        x++; // 3
         rethrow;
       } finally {
         trace += "-f";
-        x++;  // 4
+        x++; // 4
       }
     }
   } catch (e) {
     trace += "-c";
     trace += "-$e";
     trace += "-$x";
   }
   Expect.equals("0-1-f-c-0-4", trace);
 }