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

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

Index: pkg/analyzer/test/src/dart/constant/test_all.dart
diff --git a/pkg/analyzer/test/src/dart/constant/test_all.dart b/pkg/analyzer/test/src/dart/constant/test_all.dart
index a6eb5b6786347aba3599bfdbef80379243835835..378f5976daa64f455c8057e92428edec15673dde 100644
--- a/pkg/analyzer/test/src/dart/constant/test_all.dart
+++ b/pkg/analyzer/test/src/dart/constant/test_all.dart
@@ -4,7 +4,7 @@
 
 library analyzer.test.src.dart.constant.test_all;
 
-import 'package:unittest/unittest.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import '../../../utils.dart';
 import 'evaluation_test.dart' as evaluation;
@@ -14,9 +14,9 @@ import 'value_test.dart' as value;
 /// Utility for manually running all tests.
 main() {
   initializeTestEnvironment();
-  group('constant tests', () {
+  defineReflectiveSuite(() {
     evaluation.main();
     utilities.main();
     value.main();
-  });
+  }, name: 'constant');
 }