Please avoid duplicates

• I checked all open bugs and none of them matched my problem.

Reproducible test case

https://runkit.com/lichliu90/63a1369d53e6bb0008986908

Nock Version

13.2.9

Node Version

v14.17.6

TypeScript Version

No response

What happened?

I use nock in with jest, after I do some test, I found a memory leak. I think may be it because of wrapTimer.
I upload a file in my scene. The file was record in InterceptedRequestRouter's requestBodyBuffers and will not be GC.

Here is the heapsnapshot files.
heapsnapshot.zip

Would you be interested in contributing a fix?

• yes