199 / 278 · Module 14 — External Automated Testing of Mule Integrations · filtered: code← prev⊞ allnext →
14.5Test data must be unique
Never hardcode every test to:
customerId = C001
because:
parallel tests collide
old data contaminates results
reruns behave differently
tests become order-dependent
Generate unique business identifiers:
const customerId =
`AUTO-${Date.now()}-${crypto.randomUUID()}`;
This is especially important when testing Salesforce upserts.