[Tests] Fix various tests

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

test/conftest.py

@@ -99,7 +99,7 @@ def test_group(db_session):
 @pytest.fixture
 def test_card(db_session, test_group):
     """Create a test card."""
-    card = Card(key="test-key-123", group_id=test_group.id)
+    card = Card(key="test-key-123", group_id=test_group.id, enabled=True, name="test_card", card_serial="00:00:00:00:00:00:00")
     db_session.add(card)
     db_session.commit()
     db_session.refresh(card)