Format all tests.

tests/language_strong/param1_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 program for testing params.
 
 class Param1Test {
   // TODO(asiva): Should we try to interpret 1 above as an int? In order to
   // avoid a type error with --enable_type_checks, the type of i below is
   // changed from int to String.
   // static int testMain(String s, int i) { return i; }
-  static int testMain() { return 0; }
+  static int testMain() {
+    return 0;
+  }
 }
 
-
 main() {
   Param1Test.testMain();
 }