bpo-28494: Test existing zipfile working behavior. (GH-15853)


Add unittests for executables with a zipfile appended to test_zipfile, as zipfile.is_zipfile and zipfile.ZipFile work properly on these today.
(cherry picked from commit 3f4db4a0bab073b768fae958e93288bd5d24eadd)

Co-authored-by: Gregory P. Smith <greg@krypto.org>
6 files changed