diff --git a/packages/pigeon/bin/pigeon.dart b/packages/pigeon/bin/pigeon.dart
index 1a424e092f0b..9d652464862c 100644
--- a/packages/pigeon/bin/pigeon.dart
+++ b/packages/pigeon/bin/pigeon.dart
@@ -11,6 +11,7 @@ import 'dart:isolate';
 import 'package:path/path.dart' as path;
 import 'package:pigeon/pigeon_lib.dart';
 
+// test
 /// This creates a relative path from `from` to `input`, the output being a
 /// posix path on all platforms.
 String _posixRelative(String input, {String from}) {