"""Unit tests for WalletService.""" import pytest from app.modules.loyalty.services.wallet_service import WalletService @pytest.mark.unit @pytest.mark.loyalty class TestWalletService: """Test suite for WalletService.""" def setup_method(self): self.service = WalletService() def test_service_instantiation(self): """Service can be instantiated.""" assert self.service is not None