Is there an existing test suite for git HTTP and SSH servers?

I'm writing a git server (HTTP and SHH) as a hobby project, using a custom backend rather than calling the official git code.

I want to run tests against the server to ensure that it supports all of the operations that it needs to, and is compatible with existing clients.

As there are several existing git server implementations in the wild, I feel like someone may have already done this, but it's a tricky thing to search for.

Can anyone recommend an existing test suite that will run compatibility tests against a git HTTP or SSH servers that I can run as part of my CI process?