Converted Observatory error-view element

runtime/observatory/tests/observatory_ui/error_view/element_test.dart

Index: runtime/observatory/tests/observatory_ui/error_view/element_test.dart
diff --git a/runtime/observatory/tests/observatory_ui/class_ref/element_test.dart b/runtime/observatory/tests/observatory_ui/error_view/element_test.dart
similarity index 66%
copy from runtime/observatory/tests/observatory_ui/class_ref/element_test.dart
copy to runtime/observatory/tests/observatory_ui/error_view/element_test.dart
index 41aeb10f3d6ae1904271442cb5ec399cdc196e0f..7d30a03c82ae417cbe25c405b6fbb589b16b1518 100644
--- a/runtime/observatory/tests/observatory_ui/class_ref/element_test.dart
+++ b/runtime/observatory/tests/observatory_ui/error_view/element_test.dart
@@ -4,22 +4,21 @@
 
 import 'dart:html';
 import 'package:unittest/unittest.dart';
-import 'package:observatory/src/elements/class_ref.dart';
+import 'package:observatory/src/elements/error_view.dart';
 import '../mocks.dart';
 
 main() {
-  ClassRefElement.tag.ensureRegistration();
+  ErrorViewElement.tag.ensureRegistration();
 
-  const isolate = const IsolateRefMock();
-  const cls = const ClassRefMock();
+  final notifs = new NotificationRepositoryMock();
+  final error = const ErrorMock();
   test('instantiation', () {
-    final e = new ClassRefElement(isolate, cls);
+    final e = new ErrorViewElement(notifs, error);
     expect(e, isNotNull, reason: 'element correctly created');
-    expect(e.isolate, equals(isolate));
-    expect(e.cls, equals(cls));
+    expect(e.error, equals(error));
   });
   test('elements created after attachment', () async {
-    final e = new ClassRefElement(isolate, cls);
+    final e = new ErrorViewElement(notifs, error);
     document.body.append(e);
     await e.onRendered.first;
     expect(e.children.length, isNonZero, reason: 'has elements');