Remove carts from tests

tests/test_models.py

@@ -18,7 +18,6 @@ if os.path.exists(DB_FILE):
 os.environ["ALCHEMICAL_DATABASE_URI"] = "sqlite:///" + DB_FILE
 from app.models import (  # noqa: E402
     db,
-    Carts,
     NoteColours,
     Playdates,
     Playlists,
@@ -256,12 +255,6 @@ class TestMMModels(unittest.TestCase):
             colour = nc3.get_colour(session, BAD_STRING)
             assert colour is None
 
-    def test_create_cart(self):
-        with db.Session() as session:
-            cart = Carts(session, 1, "name")
-            assert cart
-            _ = str(cart)
-
     def test_name_available(self):
         PLAYLIST_NAME = "a name"
         RENAME = "new name"

tests/test_playlists.py

@@ -19,14 +19,9 @@ os.environ["ALCHEMICAL_DATABASE_URI"] = "sqlite:///" + DB_FILE
 from app import playlistmodel, utilities
 from app.models import (  # noqa: E402
     db,
-    Carts,
-    NoteColours,
-    Playdates,
     Playlists,
-    PlaylistRows,
     Tracks,
 )
-from app import playlists
 from app import musicmuster