Fix method_locals test case

Author: cdce8p

tests/test_builder.py

@@ -850,7 +850,7 @@ def test_method_locals(self) -> None:
         """Test the 'locals' dictionary of an astroid method."""
         method = self.module["YOUPI"]["method"]
         # ListComp variables are not accessible outside
-        self.assertEqual(sorted(method.locals), ["autre", "local", "self"])
+        self.assertEqual(sorted(method.locals), ["a", "autre", "local", "self"])
 
     def test_unknown_encoding(self) -> None:
         with self.assertRaises(AstroidSyntaxError):