Migrate dom tests to dart:html.

client/tests/client/dom/WebGL1Test.dart

Index: client/tests/client/dom/WebGL1Test.dart
diff --git a/client/tests/client/dom/WebGL1Test.dart b/client/tests/client/dom/WebGL1Test.dart
index 70efa2130a22a050ebfa7969804aba5c9fc38edc..6873ea9bb0585e202c33bd5a916a074fc96d2309 100644
--- a/client/tests/client/dom/WebGL1Test.dart
+++ b/client/tests/client/dom/WebGL1Test.dart
@@ -1,12 +1,12 @@
 #library('WebGL1Test');
 #import('../../../../lib/unittest/unittest.dart');
-#import('../../../../lib/unittest/dom_config.dart');
-#import('dart:dom');
+#import('../../../../lib/unittest/html_config.dart');
+#import('dart:html');
 
-// Test that WebGL is present in dart:dom API
+// Test that WebGL is present in dart:html API
 
 main() {
-  useDomConfiguration();
+  useHtmlConfiguration();
 
   test('simple', () {
       var canvas = document.createElement("canvas");