unittest step2: bye bye to multiple entrypoints for unittest

client/tests/client/dom/HTMLAudioElementTest.dart

Index: client/tests/client/dom/HTMLAudioElementTest.dart
diff --git a/client/tests/client/dom/HTMLAudioElementTest.dart b/client/tests/client/dom/HTMLAudioElementTest.dart
index 2d6c724145e03ef1e123b1d2720e3551c3dc5305..56687c81cd54df4778f118b00081d1b1d2b24f9b 100644
--- a/client/tests/client/dom/HTMLAudioElementTest.dart
+++ b/client/tests/client/dom/HTMLAudioElementTest.dart
@@ -1,10 +1,11 @@
 #library('HTMLAudioElementTest');
-#import('../../../../lib/unittest/unittest_dom.dart');
+#import('../../../../lib/unittest/unittest.dart');
+#import('../../../../lib/unittest/dom_config.dart');
 #import('dart:dom');
 
 main() {
 
-  forLayoutTests();
+  useDomConfiguration(isLayoutTest: true);
 
   test('constructorTest1', () {
       var audio = new HTMLAudioElement();   // would be new Audio() in JS