Start cleaning up the HTML tests.

pkg/dev_compiler/test/codegen/lib/html/filteredelementlist_test.dart

Index: pkg/dev_compiler/test/codegen/lib/html/filteredelementlist_test.dart
diff --git a/pkg/dev_compiler/test/codegen/lib/html/filteredelementlist_test.dart b/pkg/dev_compiler/test/codegen/lib/html/filteredelementlist_test.dart
index b4110f74a5ca5e590e109cd4452922d33a25a6eb..a9edf1b3629b6b2a874d1ef6c1a94b9e4ab86c54 100644
--- a/pkg/dev_compiler/test/codegen/lib/html/filteredelementlist_test.dart
+++ b/pkg/dev_compiler/test/codegen/lib/html/filteredelementlist_test.dart
@@ -1,10 +1,8 @@
-library filteredelementlist_test;
-
-import 'package:unittest/unittest.dart';
-import 'package:unittest/html_config.dart';
 import 'dart:html';
 import 'dart:html_common';
 
+import 'package:minitest/minitest.dart';
+
 main() {
   var t1 = new Text('T1'),
       t2 = new Text('T2'),
@@ -28,8 +26,6 @@ main() {
     return testDiv;
   }
 
-  useHtmlConfiguration();
-
   test('FilteredElementList.insert test', () {
     var i = new DivElement();
 
@@ -95,8 +91,8 @@ main() {
  test('FilteredElementList.insertAndRemove', () {
     var emptyDiv = new DivElement();
     var elementList = new FilteredElementList(emptyDiv);
-    expect(() => elementList[0], throwsA(isRangeError));
-    expect(() => elementList.insert(2, new BRElement()), throwsA(isRangeError));
+    expect(() => elementList[0], throwsRangeError);
+    expect(() => elementList.insert(2, new BRElement()), throwsRangeError);
     var br = new BRElement();
     elementList.insert(0, br);
     expect(elementList.removeLast(), br);
@@ -106,6 +102,6 @@ main() {
     elementList.add(br);
     expect(elementList.remove(br2), isFalse);
     expect(elementList[0], br);
-    expect(() => elementList[1], throwsA(isRangeError));
+    expect(() => elementList[1], throwsRangeError);
  });
 }