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

pkg/analyzer/test/src/summary/prelinker_test.dart

Index: pkg/analyzer/test/src/summary/prelinker_test.dart
diff --git a/pkg/analyzer/test/src/summary/prelinker_test.dart b/pkg/analyzer/test/src/summary/prelinker_test.dart
index bfed9f2b6c7bc6743c98ad23f51918ab1281fdd7..1fcc9bc07c83a9aaf0e7186bf0c471cbf52dd129 100644
--- a/pkg/analyzer/test/src/summary/prelinker_test.dart
+++ b/pkg/analyzer/test/src/summary/prelinker_test.dart
@@ -8,14 +8,14 @@ import 'package:analyzer/src/generated/utilities_dart.dart';
 import 'package:analyzer/src/summary/idl.dart';
 import 'package:analyzer/src/summary/prelink.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
-import 'package:unittest/unittest.dart';
 
 import 'summarize_ast_test.dart';
 import 'summary_common.dart';
 
 main() {
-  groupSep = ' | ';
-  defineReflectiveTests(PrelinkerTest);
+  defineReflectiveSuite(() {
+    defineReflectiveTests(PrelinkerTest);
+  });
 }
 
 /**