Add support for creating source ranges

pkg/analyzer_plugin/test/utilities/test_all.dart

Index: pkg/analyzer_plugin/test/utilities/test_all.dart
diff --git a/pkg/analyzer_plugin/test/utilities/test_all.dart b/pkg/analyzer_plugin/test/utilities/test_all.dart
index 0b589c1cf8ba28f03992bf45102e4dfe8d0ac0af..8118718be6f23250e6466ba8eb994e20c16a1509 100644
--- a/pkg/analyzer_plugin/test/utilities/test_all.dart
+++ b/pkg/analyzer_plugin/test/utilities/test_all.dart
@@ -5,11 +5,13 @@
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import 'analyzer_converter_test.dart' as analyzer_converter_test;
+import 'range_factory_test.dart' as range_factory_test;
 import 'subscriptions/test_all.dart' as subscriptions;
 
 main() {
   defineReflectiveSuite(() {
     analyzer_converter_test.main();
+    range_factory_test.main();
     subscriptions.main();
   }, name: 'utilities');
 }