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

pkg/analyzer/test/context/test_all.dart

Index: pkg/analyzer/test/context/test_all.dart
diff --git a/pkg/analyzer/test/context/test_all.dart b/pkg/analyzer/test/context/test_all.dart
index b5387ba6b523f5a201e9fbd564fb549e0a059e2f..294d5b960cd19dcf919575de597df567fd415dcb 100644
--- a/pkg/analyzer/test/context/test_all.dart
+++ b/pkg/analyzer/test/context/test_all.dart
@@ -4,7 +4,7 @@
 
 library analyzer.test.context.test_all;
 
-import 'package:unittest/unittest.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import '../utils.dart';
 import 'declared_variables_test.dart' as declared_variables;
@@ -12,7 +12,7 @@ import 'declared_variables_test.dart' as declared_variables;
 /// Utility for manually running all tests.
 main() {
   initializeTestEnvironment();
-  group('context tests', () {
+  defineReflectiveSuite(() {
     declared_variables.main();
-  });
+  }, name: 'context');
 }