Re-land "Format all multitests"

tests/language_strong/const_switch_test.dart

Index: tests/language_strong/const_switch_test.dart
diff --git a/tests/language_strong/const_switch_test.dart b/tests/language_strong/const_switch_test.dart
index 801288b5d4bcdddcda7718310dda929470eb5485..8e2890b2225a4e51a343348a6803611a6619f0c3 100644
--- a/tests/language_strong/const_switch_test.dart
+++ b/tests/language_strong/const_switch_test.dart
@@ -1,4 +1,4 @@
-  // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2014, 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.
 
@@ -23,10 +23,14 @@ main() {
 
 String test(C c) {
   switch (c) {
-    case const C(0.0): return '0.0';
-    case const C(0): return '0';
-    case const C(1.0): return '1.0';
-    case const C(1): return '1';
+    case const C(0.0):
+      return '0.0';
+    case const C(0):
+      return '0';
+    case const C(1.0):
+      return '1.0';
+    case const C(1):
+      return '1';
   }
   return null;
-}
+}