cleanup and fix runtime bugs

tests/test_listing.py

@@ -4,7 +4,7 @@ import unittest
 
 from iaai_scraper.browser.pace import HumanPacer
 from iaai_scraper.core.config import Settings
-from iaai_scraper.storage.listing import ListingCollector
+from iaai_scraper.browser.listing import ListingCollector
 
 
 class _FakePage:

tests/test_scraper.py

@@ -23,6 +23,7 @@ class TestScraperSync(unittest.TestCase):
     def _make_scraper(self) -> IAAIScraper:
         s = Settings()
         s.log_level = "CRITICAL"
+        s.database.url = "sqlite://"
         return IAAIScraper(s)
 
     def test_sync_vehicle_uses_db_record_without_remapping(self) -> None: