Format all tests.

tests/html/custom_element_name_clash_test.dart

Index: tests/html/custom_element_name_clash_test.dart
diff --git a/tests/html/custom_element_name_clash_test.dart b/tests/html/custom_element_name_clash_test.dart
index 190ed0eb3772bc1b39a2a7ac2cf96f760fb4451e..a11c5658824b28bb034380637d7ccb529592ce9f 100644
--- a/tests/html/custom_element_name_clash_test.dart
+++ b/tests/html/custom_element_name_clash_test.dart
@@ -4,19 +4,16 @@
 
 library custom_elements_name_clash;
 
-
 import 'dart:async';
 import 'dart:html';
 import 'package:unittest/html_individual_config.dart';
 import 'package:unittest/unittest.dart';
 import 'utils.dart';
 
-
 class CustomElement extends HtmlElement {
   factory CustomElement() => new Element.tag('x-custom');
 
-  CustomElement.created() : super.created() {
-  }
+  CustomElement.created() : super.created() {}
 
   // Try to clash with native 'appendChild' method.
   var appendChild = 123;
@@ -33,7 +30,7 @@ main() {
       CustomElement custom = new CustomElement();
       document.body.children.add(custom);
       // Will call appendChild in JS.
-      custom.children.add(new DivElement()..text = 'Hello world!'); 
+      custom.children.add(new DivElement()..text = 'Hello world!');
     });
   });
 }