This document discusses how Splunk was used in integration testing for a large program at a cable TV and internet company in the Netherlands. Splunk was introduced to index message traffic and system logs. This provided testers insight into the overall flow and helped solve integration issues. It allowed issues to be assigned to the right team and prevented problems in production. The document outlines benefits of using Splunk in testing such as speeding up test phases, fact-based reporting on quality, and reducing time to market.