unittest step2: bye bye to multiple entrypoints for unittest

client/tests/client/html/TypedArrays3Test.dart

Index: client/tests/client/html/TypedArrays3Test.dart
diff --git a/client/tests/client/html/TypedArrays3Test.dart b/client/tests/client/html/TypedArrays3Test.dart
index 2681ef0a8aa9f502864db5edd52928026f74fb8a..1ffee7264f7104009ca04e8a3cfb71ca838732d8 100644
--- a/client/tests/client/html/TypedArrays3Test.dart
+++ b/client/tests/client/html/TypedArrays3Test.dart
@@ -3,12 +3,12 @@
 // BSD-style license that can be found in the LICENSE file.
 
 #library('TypedArrays2Test');
-#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('setElementsTest_dynamic', () {
       var a1 = new Int8Array(1024);