rawhide tests "failing with error: Status: loading sysroot: Unexpected state: /run/ostree-booted found, but no /boot/loader directory"

[jmarrero]

error: Status: loading sysroot: Unexpected state: /run/ostree-booted found, but no /boot/loader directory
Error: nu::shell::incompatible_path_access

  × Data cannot be accessed with a cell path
    ╭─[/var/ARTIFACTS/work-plan-01-readonlynp2u0i0j/tmt/plans/integration/plan-01-readonly/discover/default-0/tests/tmt/tests/booted/readonly/001-test-status.nu:17:25]
 16 │ # Detect composefs by checking if composefs field is present
 17 │ let is_composefs = ($st.status.booted.composefs? != null)

An full example: https://artifacts.dev.testing-farm.io/5011fe3d-91ea-4bb2-8f81-f4e670f7b41e/

openning this as we have seen these on: #1809 and now on #1601 which unified storage does not touch the bootloader.

This is only rawhide so something might have changed recently affecting how the boot/loader directory is created?

[cgwalters]

@henrywang said this might be related to https://fedoraproject.org/wiki/Changes/BootLoaderUpdatesPhase1