Test tegression from gh-117711: Assuming wheels are deleted from source when WHEEL_PKG_DIR is set

[stefanor]

Bug report

Bug description:

test_makefile_test_folders (test.test_tools.test_makefile.TestMakefile.test_makefile_test_folders) ... FAIL

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FAIL: test_makefile_test_folders (test.test_tools.test_makefile.TestMakefile.test_makefile_test_folders)
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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'

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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

Linked PRs

• gh-120418: Don't assume wheeldata is deleted if WHEEL_PKG_DIR is set #120419
• [3.13] gh-120418: Don't assume wheeldata is deleted if WHEEL_PKG_DIR is set (GH-120419) #120432