# Bug report ### Bug description: ```python test_makefile_test_folders (test.test_tools.test_makefile.TestMakefile.test_makefile_test_folders) ... FAIL ====================================================================== FAIL: test_makefile_test_folders (test.test_tools.test_makefile.TestMakefile.test_makefile_test_folders) ---------------------------------------------------------------------- Traceback (most recent call last): File "/usr/lib/python3.12/test/test_tools/test_makefile.py", line 75, in test_makefile_test_folders self.assertSetEqual(unique_test_dirs, set(used)) AssertionError: Items in the second set but not the first: 'test/wheeldata' ---------------------------------------------------------------------- Ran 1 test in 0.009s ``` This is a regression caused by the change in #117712, which assumed that whenever `WHEEL_PKG_DIR` is set, the `.whl` files in the testdata will be deleted. ### CPython versions tested on: 3.12 ### Operating systems tested on: Linux <!-- gh-linked-prs --> ### Linked PRs * gh-120419 * gh-120432 <!-- /gh-linked-prs -->