Every SSO engineer has had this week. An integration is configured, tested and signed off in a lower environment. It gets promoted and within hours of go-live, tickets start arriving: users who can't reach the application, an application team that insists nothing on their side has changed, and a business stakeholder asking why a working integration broke. Nothing broke. The integration was never tested against the conditions it now runs in. I spent close to two years configuring and suppor...