bpo-41731: Make test_cmd_line_script pass with -vv (GH-22206)


Argument script_exec_args is usually an absolute file name,
but twice has form ['-m', 'module_name'].
(cherry picked from commit 7e711ead26fea6465e0ef2e3b8880b57ba8fc129)

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
2 files changed