diff --git a/tests/language_2/mixin_declaration/mixin_declaration_syntax_test.dart b/tests/language_2/mixin_declaration/mixin_declaration_syntax_test.dart
index 3c139bb..67de657 100644
--- a/tests/language_2/mixin_declaration/mixin_declaration_syntax_test.dart
+++ b/tests/language_2/mixin_declaration/mixin_declaration_syntax_test.dart
@@ -382,5 +382,5 @@
     }
   }
 
-  Expect equals(CeOwithM().toString(), CwithM().toString());
+  Expect.equals(CeOwithM().toString(), CwithM().toString());
 }