unittest step2: bye bye to multiple entrypoints for unittest

client/tests/client/html/TypedArrays4Test.dart

Index: client/tests/client/html/TypedArrays4Test.dart
diff --git a/client/tests/client/html/TypedArrays4Test.dart b/client/tests/client/html/TypedArrays4Test.dart
index facaafeb678b10cead6f3fd7ad8e2f0dae4dfd3d..fe023db3506ed3e66b5dc78273143be6f5f27d54 100644
--- a/client/tests/client/html/TypedArrays4Test.dart
+++ b/client/tests/client/html/TypedArrays4Test.dart
@@ -3,12 +3,12 @@
 // BSD-style license that can be found in the LICENSE file.
 
 #library('TypedArrays4Test');
-#import('../../../../lib/unittest/unittest_html.dart');
+#import('../../../../lib/unittest/unittest.dart');
+#import('../../../../lib/unittest/html_config.dart');
 #import('dart:html');
 
 main() {
-
-  forLayoutTests();
+  useHtmlConfiguration(isLayoutTest: true);
 
   test('indexOf_dynamic', () {
       var a1 = new Uint8Array(1024);