Use package:test_reflective_loader instead of reflective_tests.

pkg/analysis_server/test/services/index/store/collection_test.dart

Index: pkg/analysis_server/test/services/index/store/collection_test.dart
diff --git a/pkg/analysis_server/test/services/index/store/collection_test.dart b/pkg/analysis_server/test/services/index/store/collection_test.dart
index 8d57e17e373ba5344abb9847c4f6769569d165c7..917afad93095fdba0d5c4d59904366f87c53adbc 100644
--- a/pkg/analysis_server/test/services/index/store/collection_test.dart
+++ b/pkg/analysis_server/test/services/index/store/collection_test.dart
@@ -5,14 +5,13 @@
 library test.services.src.index.store.collection;
 
 import 'package:analysis_server/src/services/index/store/collection.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
 import 'package:unittest/unittest.dart';
 
-import '../../../reflective_tests.dart';
-
 main() {
   groupSep = ' | ';
-  runReflectiveTests(_IntArrayToIntMapTest);
-  runReflectiveTests(_IntToIntSetMapTest);
+  defineReflectiveTests(_IntArrayToIntMapTest);
+  defineReflectiveTests(_IntToIntSetMapTest);
 }
 
 @reflectiveTest