unittest step2: bye bye to multiple entrypoints for unittest

client/tests/client/html/TypedArrays1Test.dart

Index: client/tests/client/html/TypedArrays1Test.dart
diff --git a/client/tests/client/html/TypedArrays1Test.dart b/client/tests/client/html/TypedArrays1Test.dart
index 631bf5f6cbbdf4b452c39490a03ee737b858b15e..96acdd6a0463bb92a5a78a4e62e4237a3b13bcba 100644
--- a/client/tests/client/html/TypedArrays1Test.dart
+++ b/client/tests/client/html/TypedArrays1Test.dart
@@ -3,12 +3,12 @@
 // BSD-style license that can be found in the LICENSE file.
 
 #library('TypedArrays1Test');
-#import('../../../../lib/unittest/unittest_html.dart');
-#import('dart:dom');
+#import('../../../../lib/unittest/unittest.dart');
+#import('../../../../lib/unittest/html_config.dart');
+#import('dart:html');
 
 main() {
-
-  forLayoutTests();
+  useHtmlConfiguration(isLayoutTest: true);
 
   test('createByLengthTest', () {
       var a = new Float32Array(10);