Pull in test_reflective_loader 0.0.4 and switch analyzer to it.

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

Index: pkg/analyzer/test/src/summary/resynthesize_test.dart
diff --git a/pkg/analyzer/test/src/summary/resynthesize_test.dart b/pkg/analyzer/test/src/summary/resynthesize_test.dart
index f08366b8a2d85471ffde4bdc3227d477b6e6d4ab..4a378a05f3bb11f7d25e1dbe75c1bef55d84bdc8 100644
--- a/pkg/analyzer/test/src/summary/resynthesize_test.dart
+++ b/pkg/analyzer/test/src/summary/resynthesize_test.dart
@@ -24,17 +24,17 @@ import 'package:analyzer/src/generated/testing/ast_factory.dart';
 import 'package:analyzer/src/summary/idl.dart';
 import 'package:analyzer/src/summary/resynthesize.dart';
 import 'package:analyzer/src/summary/summarize_elements.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
 import 'package:unittest/unittest.dart';
 
 import '../../generated/test_support.dart';
-import '../../reflective_tests.dart';
 import '../abstract_single_unit.dart';
 import '../context/abstract_context.dart';
 import 'summary_common.dart' show canonicalize;
 
 main() {
   groupSep = ' | ';
-  runReflectiveTests(ResynthesizeElementTest);
+  defineReflectiveTests(ResynthesizeElementTest);
 }
 
 /**