from pathlib import Path
def test_all_phase_migrations_exist():
    names={p.stem for p in (Path(__file__).parents[2]/"alembic"/"versions").glob("*.py")}
    assert {"0001_initial","0002_phase_141_psp","0003_phase_142_merchant","0004_phase_143_requests","0005_phase_144_callbacks","0006_phase_145_ledger"}<=names
