Format all tests.

tests/lib/convert/utf85_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.
 
 library utf8_test;
+
 import "package:expect/expect.dart";
 import 'dart:convert';
 
 main() {
-   for (int i = 0; i <= 0x10FFFF; i++) {
-     if (i == UNICODE_BOM_CHARACTER_RUNE) continue;
-     Expect.equals(i,
-        UTF8.decode(UTF8.encode(new String.fromCharCode(i))).runes.first);
-   }
+  for (int i = 0; i <= 0x10FFFF; i++) {
+    if (i == UNICODE_BOM_CHARACTER_RUNE) continue;
+    Expect.equals(
+        i, UTF8.decode(UTF8.encode(new String.fromCharCode(i))).runes.first);
+  }
 }