void returns_false_when_chat_session_does_not_exist(void **state);
void creates_chat_session_on_message_send(void **state);
void creates_chat_session_on_activity(void **state);
void returns_null_resource_for_new_session(void **state);
void returns_true_send_states_for_new_session(void **state);
void sets_resource_on_incoming_message(void **state);
void sets_send_states_on_incoming_message(void **state);
void replaces_chat_session_when_new_resource(void **state);
void removes_chat_session_on_window_close(void **state);
void removes_chat_session_on_cancel_for_barejid(void **state);
void removes_chat_session_on_cancel_for_fulljid(void **state);
void removes_chat_session_on_offline_matching_resource(void **state);
void does_not_remove_chat_session_on_offline_different_resource(void **state);
void does_not_remove_chat_session_on_offline_null_resource(void **state);