Open the agent

Web Call and Call Me sit at the top right of every agent. Web Call is quickest. Call Me asks for your number and places a real call, so you hear telephony latency and audio quality.
Go off script
Interrupt mid-sentence, ask something unrelated, ask for a person, stay silent.
Read the result
Test calls are saved like real calls. In Calls, turn on Show internal calls to see them with their transcript and analysis.
Your own site or app can start browser calls too: Create web call returns a short-lived session for the client.