packaging: move check-compat-strings.sh to tests/testlib/
Since we're not including contrib/ in pip packages, this test failed when trying to run not from evolve repo.
--HG-- branch : stable
This instance will be upgraded to Heptapod 1.5.0rc (GitLab 16.11.1) on 2024-05-02 at 15:00 UTC+2
Since we're not including contrib/ in pip packages, this test failed when trying to run not from evolve repo.
--HG-- branch : stable