Pull in test_reflective_loader 0.0.4 and switch analyzer to it.

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

Index: pkg/analyzer/test/src/summary/incremental_cache_test.dart
diff --git a/pkg/analyzer/test/src/summary/incremental_cache_test.dart b/pkg/analyzer/test/src/summary/incremental_cache_test.dart
index 19a61977f3f1e82455c94e4c97b6efa3ae2cfff2..b75162bed39d5856eb519029ea7470a187bacea4 100644
--- a/pkg/analyzer/test/src/summary/incremental_cache_test.dart
+++ b/pkg/analyzer/test/src/summary/incremental_cache_test.dart
@@ -6,16 +6,16 @@ import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/src/generated/error.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/summary/incremental_cache.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';
 
 main() {
   groupSep = ' | ';
-  runReflectiveTests(ComparePathsTest);
-  runReflectiveTests(IncrementalCacheTest);
+  defineReflectiveTests(ComparePathsTest);
+  defineReflectiveTests(IncrementalCacheTest);
 }
 
 @reflectiveTest