Format all tests.

tests/html/audiobuffersourcenode_test.dart

Index: tests/html/audiobuffersourcenode_test.dart
diff --git a/tests/html/audiobuffersourcenode_test.dart b/tests/html/audiobuffersourcenode_test.dart
index c55c08c03f8c264c63cb23c3e67020d74c2a9be8..7da731fb830e13858ab6cf216cd9714f32490b31 100644
--- a/tests/html/audiobuffersourcenode_test.dart
+++ b/tests/html/audiobuffersourcenode_test.dart
@@ -1,10 +1,10 @@
 library AudioBufferSourceNodeTest;
+
 import 'package:unittest/unittest.dart';
 import 'package:unittest/html_individual_config.dart';
 import 'dart:web_audio';
 
 main() {
-
   useHtmlIndividualConfiguration();
 
   group('supported', () {
@@ -15,7 +15,7 @@ main() {
 
   group('functional', () {
     test('createBuffer', () {
-      if(AudioContext.supported) {
+      if (AudioContext.supported) {
         var ctx = new AudioContext();
         AudioBufferSourceNode node = ctx.createBufferSource();
         expect(node is AudioBufferSourceNode, isTrue);