Format all tests.

tests/corelib_strong/iterable_contains2_test.dart

Index: tests/corelib_strong/iterable_contains2_test.dart
diff --git a/tests/corelib_strong/iterable_contains2_test.dart b/tests/corelib_strong/iterable_contains2_test.dart
index 889ad2db4ae35b65d8e9eac847695f06bc83afa7..d4714c72bef8f0aba2ded2bca7beeda11d466642 100644
--- a/tests/corelib_strong/iterable_contains2_test.dart
+++ b/tests/corelib_strong/iterable_contains2_test.dart
@@ -6,20 +6,32 @@ 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()));
   }