Pull in test_reflective_loader 0.0.4 and switch analyzer to it.

pkg/analyzer/test/generated/package_test.dart

Index: pkg/analyzer/test/generated/package_test.dart
diff --git a/pkg/analyzer/test/generated/package_test.dart b/pkg/analyzer/test/generated/package_test.dart
index dadb9fcf2dd53e2845b977767940991f48b2ca6f..6133166d705aae82ca3deb2fc282f22735d14056 100644
--- a/pkg/analyzer/test/generated/package_test.dart
+++ b/pkg/analyzer/test/generated/package_test.dart
@@ -11,18 +11,18 @@ import 'package:analyzer/src/generated/package.dart';
 import 'package:analyzer/src/generated/sdk.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:package_config/packages.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
 import 'package:unittest/unittest.dart';
 
-import '../reflective_tests.dart';
 import '../src/context/mock_sdk.dart';
 import '../utils.dart';
 import 'resolver_test_case.dart';
 
 main() {
   initializeTestEnvironment();
-  runReflectiveTests(DependencyFinderTest);
-  runReflectiveTests(PackageDescriptionTest);
-  runReflectiveTests(PackageManagerTest);
+  defineReflectiveTests(DependencyFinderTest);
+  defineReflectiveTests(PackageDescriptionTest);
+  defineReflectiveTests(PackageManagerTest);
 }
 
 /**