Describe the complete journey

Map the trigger, data exchange, confirmation, exception handling and human owner. Ask what happens when information is missing, duplicated or delayed. Identify which system is treated as the source for each important field. Avoid declaring readiness because a single demonstration request succeeded. The integration should be evaluated against the actual tasks and conditions it is intended to support.

Define operational acceptance

Agree on representative test cases and the evidence required to close them. Include monitoring, support handoff and recovery from a failed step. Keep test data appropriate and document any limits of the test environment. Record unresolved issues and the conditions under which launch should pause. The objective is not to eliminate every possible problem, but to ensure the team can recognise and handle the foreseeable ones without improvising ownership during an incident.

Put the guide to work

Include a duplicate-submission case in the test plan where the workflow could reasonably encounter one. Ask how the team recognises and resolves it. The point is to understand the operating response, not assume that every integration failure can be eliminated through a successful first connection.

Imagine this

Hypothetical example

A profile import works for a clean sample but fails when a staff member has two roles. Adding that case to the acceptance test reveals a mapping decision the team must resolve before importing the full employee list.

Make it practical.

Use this checklist as you read. Checks are not stored.

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