bpo-34783: Add test_cmd_line_script.test_nonexisting_script() (GH-9535)


Make sure that "./python script.py" does not crash if the script
file doesn't exist.
(cherry picked from commit a46467ff198c42c8f34768c7be4b4562f6f44736)

Co-authored-by: Victor Stinner <vstinner@redhat.com>
1 file changed