[Tests] Fix various tests

add new fields to card tests; stop test_get_session from writing into prod db

test/test_services/test_card_manager.py

@@ -23,7 +23,7 @@ def test_get_cards_for_nonexistent_group(client, auth_headers):
 def test_card_operations_by_non_admin(client, test_group, user_auth_headers):
     """Test that non-admin users cannot perform card operations."""
     # Try to add a card
-    response = client.post(f"/api/v1/cards/{test_group.id}", headers=user_auth_headers)
+    response = client.post(f"/api/v1/cards/", headers=user_auth_headers)
     assert response.status_code == 403
 
     # Try to get cards