Format all tests.

tests/language/break_test.dart

 // Copyright (c) 2011, 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.
 // Dart test for breaks in for, do/while and while loops.
 
 import "package:expect/expect.dart";
 
 class BreakTest {
   static testMain() {
     int i;
@@ skipping 20 matching lines @@
     while (i < 10) {
       i++;
       whileCounter++;
       if (i > 3) break;
     }
     Expect.equals(4, whileCounter);
     Expect.equals(4, i);
 
     // Use a label to break to the outer loop.
     i = 0;
-    L: while (i < 10) {
+    L:
+    while (i < 10) {
       i++;
       while (i > 5) {
         break L;
       }
     }
     Expect.equals(6, i);
   }
 }
 
 main() {
   BreakTest.testMain();
 }