Format all tests.

tests/language_strong/type_argument_in_super_type_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.
 
 import "package:expect/expect.dart";
 
-class C {
-}
+class C {}
 
 class A<T> {
   var field;
   A(this.field);
   T foo() => field;
   int bar() => field;
 }
 
 class B extends A<C> {
   B() : super(new C());
 }
 
 main() {
   B b = new B();
   Expect.equals(b.field, b.foo());
   bool isCheckedMode = false;
   try {
     String a = 42;
   } catch (e) {
     isCheckedMode = true;
   }
   if (isCheckedMode) {
     Expect.throws(b.bar, (e) => e is TypeError);
   } else {
     Expect.equals(b.field, b.bar());
   }
 }