dwn unit tests fail intermittently once PR is merged into main

[jiyoontbd]

happened when #476 was merged. it was re-run and passed successfully, which points to the failing test being affected by race condition. i could find no record of the transient ci failure in the actions tab :(

[LiranCohen]

Thanks @jiyoontbd!! I'll try to reproduce.

[jiyoontbd]

@LiranCohen ah! i found the ci run where it failed. i just had to click 5 levels deep to find it

https://github.com/TBD54566975/web5-js/actions/runs/8516766403/job/23326301339

[jiyoontbd]

maybe related - node-sdk-reports also fails intermittently https://github.com/TBD54566975/web5-js/actions/runs/8541288382/job/23400248626 and https://github.com/TBD54566975/web5-js/actions/runs/8485265479/job/23249737612