Apparmor tests trigger unable to start stage 1

Background

When apparmor tests run jobs reports error "unable to start stage 1" and the job shows as incomplete.

Reproducibility

How often the issue is hit when repeating the steps to reproduce and changing nothing?

Put the ✅ in the most appropriate entry:

1. always
2. ✅ often, but not always
3. rarely

Impact of bug

How severe is the bug? Does it render an image unbootable? Is it a security issue? Does it prevent specific applications from working? What is the impact? Does this bug affect a critical component? Does it cause something else to not work? How often is the bug likely to be found by a user? For example, every boot or once per year?

Outcomes

• tests/apertis-test-cases!607 (merged)
• tests/apertis-test-cases!608 (merged)
• tests/apertis-test-cases!609 (merged)

Management data

This section is for management only, it should be the last one in the description.

/cc @andrunko @em @Balasubramanian @sudarshan @wlozano

Phabricator link: https://phabricator.apertis.org/T10375