unittest step2: bye bye to multiple entrypoints for unittest

client/tests/client/dom/WebSocketTest.dart

Index: client/tests/client/dom/WebSocketTest.dart
diff --git a/client/tests/client/dom/WebSocketTest.dart b/client/tests/client/dom/WebSocketTest.dart
index 4708436fa96196ac94e193e7f95118d0f01e7c51..64b8c75d96852b20a29f4f36cf4c174bac12b06a 100644
--- a/client/tests/client/dom/WebSocketTest.dart
+++ b/client/tests/client/dom/WebSocketTest.dart
@@ -1,10 +1,11 @@
 #library('WebSocketTest');
-#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('constructorTest', () {
       var socket = new WebSocket('ws://localhost');