Format all tests.

tests/language/list_in_closure_test.dart

 // Copyright (c) 2013, 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.
 
 // Regression test for dart2js that used to see aborting closure
 // bodies as aborting their enclosing element.
 
 import "package:expect/expect.dart";
 
 main() {
-  var c = () { throw 42; };
+  var c = () {
+    throw 42;
+  };
   () {
     // dart2js would not seen this initialization and therefore think
     // that the argument passed to a is a list of nulls.
     var a = [42];
     foo(a);
   }();
 }
 
 foo(arg) {
   Expect.isTrue(arg[0] == 42);
 }