Previously, we just assumed that all test manifests are of version 1, or we
should export the pipeline named assembler. However, this is no longer true
in RHEL 8.5 and 9 - they are only manifest v2 and they don't have a pipeline
named assembler.
This commit introduces a new way to guess the export name - if the manifest
is of version 1, we just export the assembler. In the case v2 manifest, the
last pipeline is exported.
Signed-off-by: Ondřej Budai <ondrej@budai.cz>
1516c1987e