unittest step2: bye bye to multiple entrypoints for unittest

client/tests/client/dom/TypedArrays4Test.dart

Index: client/tests/client/dom/TypedArrays4Test.dart
diff --git a/client/tests/client/dom/TypedArrays4Test.dart b/client/tests/client/dom/TypedArrays4Test.dart
index 258879cb527c0f5d7c8f1ff0e38452adccd3d2ae..65d0425b057ce3ea03b201b46251411434966253 100644
--- a/client/tests/client/dom/TypedArrays4Test.dart
+++ b/client/tests/client/dom/TypedArrays4Test.dart
@@ -3,12 +3,13 @@
 // BSD-style license that can be found in the LICENSE file.
 
 #library('TypedArrays4Test');
-#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('indexOf_dynamic', () {
       var a1 = new Uint8Array(1024);