Pull in test_reflective_loader 0.0.4 and switch analyzer to it.

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

Index: pkg/analyzer/test/src/summary/linker_test.dart
diff --git a/pkg/analyzer/test/src/summary/linker_test.dart b/pkg/analyzer/test/src/summary/linker_test.dart
index b93a39f3f3d816cbe67a2e72d483399f9d8dafee..d410a0878db6d47cd80d9b76f291702c12c905fa 100644
--- a/pkg/analyzer/test/src/summary/linker_test.dart
+++ b/pkg/analyzer/test/src/summary/linker_test.dart
@@ -7,14 +7,14 @@ import 'package:analyzer/src/dart/element/element.dart';
 import 'package:analyzer/src/summary/format.dart';
 import 'package:analyzer/src/summary/idl.dart';
 import 'package:analyzer/src/summary/link.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
 import 'package:unittest/unittest.dart';
 
-import '../../reflective_tests.dart';
 import 'summarize_ast_test.dart';
 
 main() {
   groupSep = ' | ';
-  runReflectiveTests(LinkerUnitTest);
+  defineReflectiveTests(LinkerUnitTest);
 }
 
 @reflectiveTest