Format all tests.

tests/corelib/iterable_contains2_test.dart

 // Copyright (c) 2012, 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";
 
 // Tests for the contains methods on lists.
 
-class A { const A(); }
-class B extends A { const B(); }
+class A {
+  const A();
+}
+
+class B extends A {
+  const B();
+}
 
 main() {
-  var list = <B>[ new B() ];
+  var list = <B>[new B()];
   var set = new Set<B>();
   set.add(new B());
   var iterable1 = list.map((x) => x);
   var iterable2 = list.take(1);
-  var list2 = const <B>[ const B() ];
+  var list2 = const <B>[const B()];
   var iterable3 = list2.map((x) => x);
   var iterable4 = list2.take(1);
-  var iterables =
-      [ list, set, iterable1, iterable2, list2, iterable3, iterable4 ];
+  var iterables = [
+    list,
+    set,
+    iterable1,
+    iterable2,
+    list2,
+    iterable3,
+    iterable4
+  ];
   for (var iterable in iterables) {
     Expect.isFalse(iterable.contains(new A()));
   }
 }