This reuse the swh.core.db.db_utils postgresql_fact fixture (which inits the db
then truncate tables in between test calls). This makes the tests faster.
Basic benchmark:
|---------+--------------+-----------+-----------------------| | machine | before (min) | after (s) | Using | |---------+--------------+-----------+-----------------------| | laptop | 1:11.02 | 20.811 | `time tox` | | jenkins | 1:14 | 26 | jenkins output report | |---------+--------------+-----------+-----------------------|