def test_move_dir_permission_denied(self):
        # bpo-42782: shutil.move should not create destination directories
        # if the source directory cannot be removed.
        try:
            os.mkdir(TESTFN_SRC)
            os.lchflags(TESTFN_SRC, stat.SF_IMMUTABLE)

            # Testing on an empty immutable directory
            # TESTFN_DST should not exist if shutil.move failed
            self.assertRaises(PermissionError, shutil.move, TESTFN_SRC, TESTFN_DST)
            self.assertFalse(TESTFN_DST in os.listdir())

            # Create a file and keep the directory immutable
            os.lchflags(TESTFN_SRC, stat.UF_OPAQUE)   # <-- offender #1
            os_helper.create_empty_file(os.path.join(TESTFN_SRC, 'child'))
            os.lchflags(TESTFN_SRC, stat.SF_IMMUTABLE)

            # Testing on a non-empty immutable directory
            # TESTFN_DST should not exist if shutil.move failed
            self.assertRaises(PermissionError, shutil.move, TESTFN_SRC, TESTFN_DST)
            self.assertFalse(TESTFN_DST in os.listdir())
        finally:
            if os.path.exists(TESTFN_SRC):
                os.lchflags(TESTFN_SRC, stat.UF_OPAQUE)   # <-- offender #2
                os_helper.rmtree(TESTFN_SRC)
            if os.path.exists(TESTFN_DST):
                os.lchflags(TESTFN_DST, stat.UF_OPAQUE)   # <-- not reached, but would be offender #3.
                os_helper.rmtree(TESTFN_DST)

ERROR: test_move_dir_permission_denied (test.test_shutil.TestMove.test_move_dir_permission_denied)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/wrkdirs/usr/ports/lang/python315/work/Python-3.15.0b2/Lib/test/test_shutil.py", line 3051, in test_move_dir_permission_denied
    os.lchflags(TESTFN_SRC, stat.UF_OPAQUE)
    ~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^
OSError: [Errno 45] Operation not supported: '@test_22085_tmpæ_SRC'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/wrkdirs/usr/ports/lang/python315/work/Python-3.15.0b2/Lib/test/test_shutil.py", line 3061, in test_move_dir_permission_denied
    os.lchflags(TESTFN_SRC, stat.UF_OPAQUE)
    ~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^
OSError: [Errno 45] Operation not supported: '@test_22085_tmpæ_SRC'

----------------------------------------------------------------------
Ran 225 tests in 1.029s

FAILED (errors=1, skipped=69)
Warning -- files was modified by test_shutil
Warning --   Before: []
Warning --   After:  ['@test_22085_tmpæ_SRC/']