N°9179 fix phpunits tests

[Timmy38]

No description provided.

[greptile-apps]

Greptile Summary

This PR updates setup sequencer unit tests for legacy optional-step parameters. The main changes are:

• Adds install sequencer coverage for optional_steps set to null.
• Splits mandatory-only install step coverage from legacy default behavior.
• Adds data-audit sequencer coverage for optional_steps set to null.

Confidence Score: 5/5

This looks safe to merge.

• No blocking issues found in the changed code.

_{Reviews (1): Last reviewed commit: "N°9179 Fix tests for unattended install ..." | Re-trigger Greptile}