flaky unit tests

[Uzlopak]

Prerequisites

• [X] I have written a descriptive issue title
• [X] I have searched existing issues to ensure the bug has not already been reported

Fastify version

x

Plugin version

x

Node.js version

any

Operating system

Linux

Operating system version (i.e. 20.04, 11.3, 10)

22.04

Description

The unit tests are flaky and need some attention.

Steps to Reproduce

see the CI github action

Expected Behavior

No response