Pull in test_reflective_loader 0.0.4 and switch analyzer to it.

pkg/analyzer/test/cancelable_future_test.dart

Index: pkg/analyzer/test/cancelable_future_test.dart
diff --git a/pkg/analyzer/test/cancelable_future_test.dart b/pkg/analyzer/test/cancelable_future_test.dart
index 1ece1a5ff7d4954c1738cf8fec22d3f819f9f285..d22ca5647925285a17bbd91629efc7af31cd247b 100644
--- a/pkg/analyzer/test/cancelable_future_test.dart
+++ b/pkg/analyzer/test/cancelable_future_test.dart
@@ -7,16 +7,16 @@ library analyzer.test.cancelable_future_test;
 import 'dart:async';
 
 import 'package:analyzer/src/cancelable_future.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
 import 'package:unittest/unittest.dart';
 import 'package:watcher/src/utils.dart';
 
-import 'reflective_tests.dart';
 import 'utils.dart';
 
 void main() {
   initializeTestEnvironment();
-  runReflectiveTests(CancelableCompleterTests);
-  runReflectiveTests(CancelableFutureTests);
+  defineReflectiveTests(CancelableCompleterTests);
+  defineReflectiveTests(CancelableFutureTests);
 }
 
 @reflectiveTest