Pull in test_reflective_loader 0.0.4 and switch analyzer to it.

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

Index: pkg/analyzer/test/src/summary/summarize_elements_test.dart
diff --git a/pkg/analyzer/test/src/summary/summarize_elements_test.dart b/pkg/analyzer/test/src/summary/summarize_elements_test.dart
index eda8138b3cbbdf85625ce40975d7b5d8cae091aa..7eeb91f9d1a36e664ef1e9cbce0c37d481aae7a7 100644
--- a/pkg/analyzer/test/src/summary/summarize_elements_test.dart
+++ b/pkg/analyzer/test/src/summary/summarize_elements_test.dart
@@ -15,16 +15,16 @@ import 'package:analyzer/src/summary/public_namespace_computer.dart'
     as public_namespace;
 import 'package:analyzer/src/summary/summarize_elements.dart'
     as summarize_elements;
+import 'package:test_reflective_loader/test_reflective_loader.dart';
 import 'package:unittest/unittest.dart';
 
-import '../../reflective_tests.dart';
 import '../abstract_single_unit.dart';
 import '../context/abstract_context.dart';
 import 'summary_common.dart';
 
 main() {
   groupSep = ' | ';
-  runReflectiveTests(SummarizeElementsTest);
+  defineReflectiveTests(SummarizeElementsTest);
 }
 
 /**