Pull in test_reflective_loader 0.0.4 and switch analyzer to it.

pkg/analyzer/test/src/task/general_test.dart

Index: pkg/analyzer/test/src/task/general_test.dart
diff --git a/pkg/analyzer/test/src/task/general_test.dart b/pkg/analyzer/test/src/task/general_test.dart
index da4c4626df20043aab79fd743dc25dac6cd8f02a..fc1f7892251f4d76ae3898b62b49de8df3258970 100644
--- a/pkg/analyzer/test/src/task/general_test.dart
+++ b/pkg/analyzer/test/src/task/general_test.dart
@@ -9,16 +9,16 @@ import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/task/general.dart';
 import 'package:analyzer/task/general.dart';
 import 'package:analyzer/task/model.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
 import 'package:typed_mock/typed_mock.dart';
 import 'package:unittest/unittest.dart';
 
 import '../../generated/test_support.dart';
-import '../../reflective_tests.dart';
 import '../../utils.dart';
 
 main() {
   initializeTestEnvironment();
-  runReflectiveTests(GetContentTaskTest);
+  defineReflectiveTests(GetContentTaskTest);
 }
 
 @reflectiveTest