TestContext.waitFor method | Node.js node:test module | Bun

This method polls a condition function until that function either returns successfully or the operation times out.

An assertion function that is invoked periodically until it completes successfully or the defined polling timeout elapses. Successful completion is defined as not throwing or rejecting. This function does not accept any arguments, and is allowed to return any value.

An optional configuration object for the polling operation.

Fulfilled with the value returned by condition.