test: replace `tail -f` with journal cursor which should be...
more reliable
(cherry picked from commit d0b2178f3e79f302702bd7140766eee03643f734)
Related: #1808940
patch_name: 0334-test-replace-tail-f-with-journal-cursor-which-should.patch
present_in_specfile: true
location_in_specfile: 334
squash_commits: true