Enforce a Specific Execution Order for E2E cbuildgen Tests in the SimpleTrustZone Example

[soumeh01]

Fixes

• Enforce a execution order for E2E cbuildgen tests in the SimpleTrustZone example test #623

Checklist

• 🤖 This change is covered by unit tests (if applicable).
• 🤹 Manual testing has been performed (if necessary).
• 🛡️ Security impacts have been considered (if relevant).
• 📖 Documentation updates are complete (if required).
• 🧠 Third-party dependencies and TPIP updated (if required).

[jkrech]

LGTM