Format all tests.

tests/language/switch_label2_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.
 
 // Test switch statement using labels.
 
 import 'package:expect/expect.dart';
 
 void main() {
   doSwitch(0, [0, 2]);
   doSwitch(1, [1]);
   doSwitch(2, [2]);
   doSwitch(3, [3, 1]);
 }
 
 void doSwitch(int target, List expect) {
   List list = [];
   switch (target) {
-  case 0:
-    list.add(0);
-    continue case2;
-  case1: case 1:
-    list.add(1);
-    break;
-  case2: case 2:
-    list.add(2);
-    break;
-  case 3:
-    list.add(3);
-    continue case1;
+    case 0:
+      list.add(0);
+      continue case2;
+    case1:
+    case 1:
+      list.add(1);
+      break;
+    case2:
+    case 2:
+      list.add(2);
+      break;
+    case 3:
+      list.add(3);
+      continue case1;
   }
   Expect.listEquals(expect, list);
-}
+}