Move tests directory to root level

[stankudrow]

Partially covers: #126 - rearranging the tests
Partially addresses: #127

[Kludex]

Can we start the changes on the test with the GitHub actions running the test suite? So we are sure we don't break anything here...

[ChrisBarker-NOAA]

Yes, we should -- I started working on that, but there's a bit of chicken-egg thing here -- I think we want to update the build system first, so we can use that in the gitHub actions ...

Does anyone have a PR for updating the build already? (e.g. going to hatchling and uv).

[ChrisBarker-NOAA]

Ahh I see #126 -- but that's using PDM -- we want to go hatchling and UV, yes?

[stankudrow]

Can we start the changes on the test with the GitHub actions running the test suite? So we are sure we don't break anything here...

In short, we can.

Just my remark: the changes of this PR are mostly cosmetic and we don't need to wait for GHA workflows because, for instance, I cannot see any breaking changes. But if ideologically the GHA is the first thing, this PR can wait.

[stankudrow]

Yes, we should -- I started working on that, but there's a bit of chicken-egg thing here -- I think we want to update the build system first, so we can use that in the gitHub actions ...

Does anyone have a PR for updating the build already? (e.g. going to hatchling and uv).

Do you wanna go with the uv or GHA? Let's split the work, both topics are interesting to me.

[ChrisBarker-NOAA]

looks like we have a dependency problem:
ModuleNotFoundError: No module named 'dateutil'

Probably need to add an install step before running tests -- that should install the dependencies.

[ChrisBarker-NOAA]

nice!

[Kludex]

Thanks.