tests: update libxbp/find_pkg tests for new API changes.
tests: update libxbp/find_pkg tests for new API changes.

stpx/xbps,datenwolf/xbps,ebfe/xbps,stpx/xbps,ebfe/xbps,datenwolf/xbps,ebfe/xbps,stpx/xbps,datenwolf/xbps