Pull in test_reflective_loader 0.0.4 and switch analyzer to it.

pkg/analyzer/test/src/dart/constant/utilities_test.dart

Index: pkg/analyzer/test/src/dart/constant/utilities_test.dart
diff --git a/pkg/analyzer/test/src/dart/constant/utilities_test.dart b/pkg/analyzer/test/src/dart/constant/utilities_test.dart
index 48443b3459650323bb385da47b5d939d44102018..aa9bd5c88f7990c1c7d1ad8e7b33e0a6ed11c7fb 100644
--- a/pkg/analyzer/test/src/dart/constant/utilities_test.dart
+++ b/pkg/analyzer/test/src/dart/constant/utilities_test.dart
@@ -19,17 +19,17 @@ import 'package:analyzer/src/generated/testing/element_factory.dart';
 import 'package:analyzer/src/generated/testing/test_type_provider.dart';
 import 'package:analyzer/src/generated/utilities_collection.dart';
 import 'package:analyzer/src/task/dart.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
 import 'package:unittest/unittest.dart';
 
 import '../../../generated/engine_test.dart';
 import '../../../generated/test_support.dart';
-import '../../../reflective_tests.dart';
 import '../../../utils.dart';
 
 main() {
   initializeTestEnvironment();
-  runReflectiveTests(ConstantFinderTest);
-  runReflectiveTests(ReferenceFinderTest);
+  defineReflectiveTests(ConstantFinderTest);
+  defineReflectiveTests(ReferenceFinderTest);
 }
 
 @reflectiveTest