Initial testing for arrangement versions
Initial testing for arrangement versions

Each supported arrangement version can be tested by inheriting
from the previous TestArrangementVn object and testing the
expected changes.

Signed-off-by: Tim Waugh <fe049355006bf7fdd11c5e47ffe7a5032af30704@redhat.com>

vrutkovs/osbs-client,DBuildService/osbs-client,bfontecc007/osbs-client,projectatomic/osbs-client,vrutkovs/osbs-client,projectatomic/osbs-client,DBuildService/osbs-client,bfontecc007/osbs-client