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

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

Index: pkg/analyzer/test/src/source/test_all.dart
diff --git a/pkg/analyzer/test/src/source/test_all.dart b/pkg/analyzer/test/src/source/test_all.dart
index fea63067df5f6e8467cbe1c389308566a77bd1f7..3b79db4fd1864ac550e97dd9f7eb690bceb004eb 100644
--- a/pkg/analyzer/test/src/source/test_all.dart
+++ b/pkg/analyzer/test/src/source/test_all.dart
@@ -4,7 +4,7 @@
 
 library analyzer.test.src.source.test_all;
 
-import 'package:unittest/unittest.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import '../../utils.dart';
 import 'source_resource_test.dart' as source_resource_test;
@@ -12,7 +12,7 @@ import 'source_resource_test.dart' as source_resource_test;
 /// Utility for manually running all tests.
 main() {
   initializeTestEnvironment();
-  group('context tests', () {
+  defineReflectiveSuite(() {
     source_resource_test.main();
-  });
+  }, name: 'source');
 }