- avoids having to modify them in the first place so less changes
to the SUT
- will help with transition to osbuild-composer backend
- each test which needs a blueprint either declares it on its own
(some already do this) or may use a shared blueprints from the
tests lib dir
Cherry-picked from 7b08fa8838
Related: rhbz#1825190
The function is meant to replace the duplicate pieces of code used in various
tests, the polling interval is unified to 20 seconds.
Cherry-picked from 836f0ddf
Related: rhbz#1769525
Previously it was looping, waiting for FINISHED|FAILED but was not
actually failing the test if the compose failed to build.
This adds a function to check the status of the compose and calls it
after each compose.
(cherry picked from commit d0e947fe3b)
Related: rhbz#1724073
