Error Suppression FTW.

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

Index: pkg/analyzer/test/src/task/options_test.dart
diff --git a/pkg/analyzer/test/src/task/options_test.dart b/pkg/analyzer/test/src/task/options_test.dart
index 5dddc259ffec9b9a79d6b6c19aaf2840cef9b67d..052530aab3a479ad75766d9eda91a1eb9feb5c22 100644
--- a/pkg/analyzer/test/src/task/options_test.dart
+++ b/pkg/analyzer/test/src/task/options_test.dart
@@ -132,6 +132,16 @@ analyzer:
         []);
   }
 
+  test_analyzer_supported_filter() {
+    validate(
+        '''
+analyzer:
+  errors:
+    unused_local_variable: ignore
+    ''',
+        []);
+  }
+
   test_analyzer_supported_strong_mode() {
     validate(
         '''