Better tests, less checks, easier to see what's wrong

Author: Pierre-Sassoulas

tests/test_builder.py

@@ -861,11 +861,8 @@ def test_method_base_props(self) -> None:
     def test_method_locals(self) -> None:
         """Test the 'locals' dictionary of an astroid method."""
         method = self.module["YOUPI"]["method"]
-        _locals = method.locals
-        keys = sorted(_locals)
         # ListComp variables are not accessible outside
-        self.assertEqual(len(_locals), 3)
-        self.assertEqual(keys, ["autre", "local", "self"])
+        self.assertEqual(sorted(method.locals), ["autre", "local", "self"])
 
     def test_unknown_encoding(self) -> None:
         with self.assertRaises(AstroidSyntaxError):