{Containerapp} az containerapp job: Fix test for event job default

[p-bouchon]

---

This checklist is used to make sure that common guidelines for a pull request are followed.

Related command

General Guidelines

• Have you run azdev style <YOUR_EXT> locally? (pip install azdev required)
• Have you run python scripts/ci/test_index.py -q locally? (pip install wheel==0.30.0 required)

For new extensions:

• My extension description/summary conforms to the Extension Summary Guidelines.

About Extension Publish

There is a pipeline to automatically build, upload and publish extension wheels.
Once your pull request is merged into main branch, a new pull request will be created to update src/index.json automatically.
You only need to update the version information in file setup.py and historical information in file HISTORY.rst in your PR but do not modify src/index.json.

[azure-client-tools-bot-prd]

️✔️Azure CLI Extensions Breaking Change Test

️✔️Non Breaking Changes

[azure-client-tools-bot-prd]

Hi @p-bouchon,
Please write the description of changes which can be perceived by customers into HISTORY.rst.
If you want to release a new extension version, please update the version in setup.py as well.

[yonzhan]

Containerapp

[Greedygre]

Recommend title: {Containerapp} Fix test for event job default
PR title guidance: https://github.com/Azure/azure-cli/blob/f9a4685d6bfee8bd5b8eff867f40a7d674515dae/doc/authoring_command_modules/README.md#format-pr-title

[Greedygre]

Hi @yanzhudd
Could you help to review and approve and merge it, thanks.
BTW, Could you help to change the title for this PR? Because it will not impact the cx.