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

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

Index: pkg/analyzer/test/src/task/manager_test.dart
diff --git a/pkg/analyzer/test/src/task/manager_test.dart b/pkg/analyzer/test/src/task/manager_test.dart
index cc35b85629ad4bf7847836594ee8bd209b425a0e..11b409a65b34ae496d63d8ff16220b153e6d1910 100644
--- a/pkg/analyzer/test/src/task/manager_test.dart
+++ b/pkg/analyzer/test/src/task/manager_test.dart
@@ -7,15 +7,17 @@ library analyzer.test.src.task.manager_test;
 import 'package:analyzer/exception/exception.dart';
 import 'package:analyzer/src/task/manager.dart';
 import 'package:analyzer/task/model.dart';
+import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
-import 'package:unittest/unittest.dart';
 
 import '../../generated/test_support.dart';
 import '../../utils.dart';
 
 main() {
   initializeTestEnvironment();
-  defineReflectiveTests(TaskManagerTest);
+  defineReflectiveSuite(() {
+    defineReflectiveTests(TaskManagerTest);
+  });
 }
 
 @reflectiveTest