Move tests_migration/test_migrations.py to tests/test_migrations.py
This fixes crashes when running 'pytest -k migration', because swh/deposit/tests_migration/ lacks a conftest to initialize the database.
Migrated from D7240 (view on Phabricator)
Staging instance, all changes can be removed at any time
This fixes crashes when running 'pytest -k migration', because swh/deposit/tests_migration/ lacks a conftest to initialize the database.
Migrated from D7240 (view on Phabricator)