how can someone use the in-memory exporter in unit tests?

[jcranfordbeyondtrust]

URL

https://opentelemetry.io/docs/specs/otel/metrics/sdk_exporters/in-memory/

Description

Could you include an example for how someone can use the in-memory exporter in unit tests?
Or include a link to an example?

Thank you!

[svrnm]

We have a page on testing in erlang, but so far not copied it into other languages. Would this be similar to what you are looking for ? https://opentelemetry.io/docs/languages/erlang/testing/