tests: fix by getting a fresh DB before each test rather than cleaning up afterwards

Author: dev-zero

tests/conftest.py

@@ -9,5 +9,5 @@
 
 
 @pytest.fixture(scope="function", autouse=True)
-def clear_database_auto(clear_database):
+def clear_database_auto(clear_database_before_test):
     """Automatically clear database in between tests."""