Guides: testing SMS OTP flows

How to test SMS OTP verification in PlaywrightFixtures, unique numbers per test, parallel workers and CI.
How to test SMS verification codes in CypressRead the code from a Node task with cy.task.
How to test Twilio Verify without sending real SMSWhen the provider generates the code, and why test credentials don't cover it.
Provider setup: Twilio, Vonage, Telnyx, AWS SNS, AWS End User Messaging, Infobip, Sinch, Bird, Plivo, Telesign, Bandwidth, Netgsm, İleti Merkezi, Verimor, MutlucellOne configuration option per provider, tested with each official SDK.