tests/gateway/test_whatsapp_text_batching.py::test_batch_delays_default_from_config
tests/gateway/test_whatsapp_text_batching.py::test_batch_delays_overridden_via_config_extra
tests/gateway/test_whatsapp_text_batching.py::test_invalid_config_value_falls_back_to_default
tests/gateway/test_whatsapp_text_batching.py::test_env_var_is_ignored
tests/gateway/test_whatsapp_text_batching.py::test_rapid_texts_collapse_into_single_dispatch
tests/gateway/test_whatsapp_text_batching.py::test_lone_message_dispatched_alone