pythongh-144878: Gate PEP 810 builtins in xpickle compat tests (python#144889)

Author: pablogsal

Lib/test/pickletester.py

@@ -3202,6 +3202,7 @@ def test_builtin_exceptions(self):
             'ExceptionGroup': (3, 11),
             '_IncompleteInputError': (3, 13),
             'PythonFinalizationError': (3, 13),
+            'ImportCycleError': (3, 15),
         }
         for t in builtins.__dict__.values():
             if isinstance(t, type) and issubclass(t, BaseException):
@@ -3228,6 +3229,7 @@ def test_builtin_functions(self):
             'breakpoint': (3, 7),
             'aiter': (3, 10),
             'anext': (3, 10),
+            '__lazy_import__': (3, 15),
         }
         for t in builtins.__dict__.values():
             if isinstance(t, types.BuiltinFunctionType):