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

pkg/analyzer/test/src/task/options_work_manager_test.dart

Index: pkg/analyzer/test/src/task/options_work_manager_test.dart
diff --git a/pkg/analyzer/test/src/task/options_work_manager_test.dart b/pkg/analyzer/test/src/task/options_work_manager_test.dart
index d52286be72b591a80bbc6915cd82db72a5a1fe2c..c96c4018f3b34226ecabd14daec95a9781bbca86 100644
--- a/pkg/analyzer/test/src/task/options_work_manager_test.dart
+++ b/pkg/analyzer/test/src/task/options_work_manager_test.dart
@@ -22,17 +22,19 @@ import 'package:analyzer/src/task/options_work_manager.dart';
 import 'package:analyzer/task/dart.dart';
 import 'package:analyzer/task/general.dart';
 import 'package:analyzer/task/model.dart';
+import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 import 'package:typed_mock/typed_mock.dart';
-import 'package:unittest/unittest.dart';
 
 import '../../generated/test_support.dart';
 import '../../utils.dart';
 
 main() {
   initializeTestEnvironment();
-  defineReflectiveTests(OptionsWorkManagerNewFileTest);
-  defineReflectiveTests(OptionsWorkManagerOldFileTest);
+  defineReflectiveSuite(() {
+    defineReflectiveTests(OptionsWorkManagerNewFileTest);
+    defineReflectiveTests(OptionsWorkManagerOldFileTest);
+  });
 }
 
 @reflectiveTest