Switch 'analyzer' to 'package:test' and test_reflective_loader ^0.1.0.

pkg/analyzer/test/generated/utilities_dart_test.dart

Index: pkg/analyzer/test/generated/utilities_dart_test.dart
diff --git a/pkg/analyzer/test/generated/utilities_dart_test.dart b/pkg/analyzer/test/generated/utilities_dart_test.dart
index c300c21d6f7bf99c134bc3153dbc665f089aa0e4..580845beae7097fe01711e90c2c220563dd9fe4b 100644
--- a/pkg/analyzer/test/generated/utilities_dart_test.dart
+++ b/pkg/analyzer/test/generated/utilities_dart_test.dart
@@ -5,14 +5,16 @@
 library analyzer.test.generated.utilities_dart_test;
 
 import 'package:analyzer/src/generated/utilities_dart.dart';
+import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
-import 'package:unittest/unittest.dart';
 
 import '../utils.dart';
 
 main() {
   initializeTestEnvironment();
-  defineReflectiveTests(ResolveRelativeUriTest);
+  defineReflectiveSuite(() {
+    defineReflectiveTests(ResolveRelativeUriTest);
+  });
 }
 
 @reflectiveTest