Element model support for covariant

pkg/analyzer/test/test_all.dart

Index: pkg/analyzer/test/test_all.dart
diff --git a/pkg/analyzer/test/test_all.dart b/pkg/analyzer/test/test_all.dart
index d9cdf90a2fdb7bfbe02739efb9178185eea10eca..2f6954f3ce9f508aea76c7507e6b9b5a0748336d 100644
--- a/pkg/analyzer/test/test_all.dart
+++ b/pkg/analyzer/test/test_all.dart
@@ -8,6 +8,7 @@ import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import 'cancelable_future_test.dart' as cancelable_future_test;
 import 'context/test_all.dart' as context;
+import 'dart/test_all.dart' as dart;
 import 'file_system/test_all.dart' as file_system;
 import 'generated/test_all.dart' as generated;
 import 'instrumentation/test_all.dart' as instrumentation;
@@ -20,6 +21,7 @@ main() {
   defineReflectiveSuite(() {
     cancelable_future_test.main();
     context.main();
+    dart.main();
     file_system.main();
     generated.main();
     instrumentation.main();