Format all tests.

tests/language/const_constructor_super2_test.dart

 // Copyright (c) 2016, 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 A {
   final a;
 
   const A(this.a);
 }
 
 class B extends A {
   final b;
 
   const B(a, this.b) : super(a);
 }
 
 @NoInline()
 foo() => const B(1, 2);
 
 @NoInline()
 bar() => const B(2, 2);
 
 void main() {
   Expect.notEquals(foo(), bar());
   Expect.notEquals(foo().a, bar().a);
   Expect.equals(foo().b, bar().b);
-}
+}