Drop the assertion that the web deployment has no command since the python buildpack auto-emits a web Procfile entry, which correctly routes through launcher just like docker-local. Shorten the cron command fixture so the base36-encoded cron-id stays under the 63-byte kubernetes label limit, and relax the `dokku run` and `dokku cron:run` output assertions to `assert_output_contains` so they tolerate the leading blank line emitted on k3s.
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