Video

Getting Started with Codeception

By Reval Govender

How to TDD a REST API in Laravel

By Reval Govender

This is a detailed course covering how to build a RESTful API using Laravel and Codeception

Codeception in PhpStorm

By Gary Hockin

Complete Video Course on Nettuts Premium

Great videos from Jeffrey Way. You should definetely start with them if you prefer learn by watching.