Switch 'analyzer' to 'package:test' and test_reflective_loader ^0.1.0.

pkg/analyzer/test/src/dart/element/test_all.dart

Index: pkg/analyzer/test/src/dart/element/test_all.dart
diff --git a/pkg/analyzer/test/src/dart/element/test_all.dart b/pkg/analyzer/test/src/dart/element/test_all.dart
index 199746672a4f4d339d8c1f520216f615df860355..1113dcde5cb122f69464922c0fa6421156e4fbd9 100644
--- a/pkg/analyzer/test/src/dart/element/test_all.dart
+++ b/pkg/analyzer/test/src/dart/element/test_all.dart
@@ -4,7 +4,7 @@
 
 library analyzer.test.src.dart.element.test_all;
 
-import 'package:unittest/unittest.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import '../../../utils.dart';
 import 'element_test.dart' as element;
@@ -12,7 +12,7 @@ import 'element_test.dart' as element;
 /// Utility for manually running all tests.
 main() {
   initializeTestEnvironment();
-  group('element tests', () {
+  defineReflectiveSuite(() {
     element.main();
-  });
+  }, name: 'element');
 }