* New set of nested tests for uc22
This change includes:
. Updates for the tests to support uc22
. New models for uc22
. New snap needed to run uc22 tests
* New support for system user asserts
Still missing to sign the assert for uc22
* fix shellcheck
* Fixing style shellchecks
* Fix shell check on tests
* New fix for shell check
* Created the auto-import.assert for developer1
* Generate the auto-import.assert for the developer1
* Fixed error on tests
* Fix interfaces-custom-devices test
* Update variable names