Format all tests.

tests/language/mixin_mixin_bound2_test.dart

 // Copyright (c) 2014, 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 I<T> { }
+class I<T> {}
 
-class J<T> { }
+class J<T> {}
 
-class K<T> { }
+class K<T> {}
 
-class S<U extends Set<V>, V> { }
+class S<U extends Set<V>, V> {}
 
 class M<U, V, T extends Map<U, V>> {
-  m() { return T; }
+  m() {
+    return T;
+  }
 }
 
 class A<U, V extends Set<U>> = Object with M<U, V, Map<U, V>> implements I<V>;
 
 class B<T extends List<num>> = Object with A<T, Set<T>> implements J<T>;
 
 class C<T extends num> = S<Set<T>, T> with B<List<T>> implements K<T>;
 
 main() {
   var c = new C<int>();
   Expect.equals("Map<List<int>, Set<List<int>>>", c.m().toString());
   Expect.isTrue(c is K<int>);
   Expect.isTrue(c is J<List<int>>);
   Expect.isTrue(c is I<Set<List<int>>>);
   Expect.isTrue(c is S<Set<int>, int>);
   Expect.isTrue(c is A<List<int>, Set<List<int>>>);
-  Expect.isTrue(c is M<List<int>, Set<List<int>>, Map<List<int>, Set<List<int>>>>);
+  Expect.isTrue(
+      c is M<List<int>, Set<List<int>>, Map<List<int>, Set<List<int>>>>);
 }