Re-land "Format all multitests"

tests/language/sync_generator2_test.dart

 // Copyright (c) 2015, 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.
 
 // Simple test program for sync* generator functions.
 
 import "package:expect/expect.dart";
 import "dart:async";
 
 var sync = "topLevelSync";
@@ skipping 24 matching lines @@
   return null; // //# 20: compile-time error
 }
 
 test03() sync* => null; //  //# 30: compile-time error
 
 get test04 sync* => null; // //# 40: compile-time error
 set test04(a) sync* { print(a); } // //# 41: compile-time error
 
 class K {
   K() sync* {}; // //# 50: compile-time error
-  get nix sync* { }
+  get nix sync* {}
   get garnix sync* => null; // //# 51: compile-time error
   set etwas(var z) sync* { } // //# 52: compile-time error
   sync() sync* {
-    yield sync;  // Yields a tear-off of the sync() method.
+    yield sync; // Yields a tear-off of the sync() method.
   }
 }
 
 main() {
   var x;
   x = test01();
   Expect.equals("()", x.toString());
   x = test02();
   test03(); //# 30: continued
   Expect.equals("(12321)", x.toString());
   x = test04; // //# 40: continued
   test04 = x; // //# 41: continued
   x = new K();
   print(x.garnix); //# 51: continued
   x.etwas = null; //# 52: continued
   print(x.sync().toList());
   Expect.equals(1, x.sync().length);
 //  Expect.isTrue(x.sync().single is Function);
-}
+}