Pubspec-specified analysis configuration (#26359).

pkg/analyzer/test/source/test_all.dart

Index: pkg/analyzer/test/source/test_all.dart
diff --git a/pkg/analyzer/test/source/test_all.dart b/pkg/analyzer/test/source/test_all.dart
index 725d23eeaddf2eb7ac4cc06363cec99cafe95642..bca740bbf007fc29b4351166c30490c3a0b7441d 100644
--- a/pkg/analyzer/test/source/test_all.dart
+++ b/pkg/analyzer/test/source/test_all.dart
@@ -8,6 +8,7 @@ import 'package:unittest/unittest.dart';
 
 import '../utils.dart';
 import 'analysis_options_provider_test.dart' as analysis_options_provider_test;
+import 'config_test.dart' as config_test;
 import 'embedder_test.dart' as embedder_test;
 import 'error_processor_test.dart' as error_processor_test;
 import 'package_map_provider_test.dart' as package_map_provider_test;
@@ -20,6 +21,7 @@ main() {
   initializeTestEnvironment();
   group('source', () {
     analysis_options_provider_test.main();
+    config_test.main();
     embedder_test.main();
     error_processor_test.main();
     package_map_provider_test.main();