[WIP] Use standard Django test runner

[acdha]

This is a follow to finish #1834 — I got overeager seeing the “WIP” cleared.

TODO:

• Remove wait-for-solr script from the other matrix builds
• Consider adding matrix for other Solr versions (6 is rather old by now)

[claudep]

Do you intend to do the remaining bits yourself, or do you expect me to contribute also? If you have a clear idea of what's missing, I'd appreciate your final touch :-)

[acdha]

I'll take a stab at it over the weekend.

[cclauss]

LGTM

[cclauss]

It would be great to see progress on this or a migration towards pytest-django

[claudep]

@acdha, @cclauss, Should we push this PR in its current state? Or are TODOs mandatory to go ahead? Unless something is done soon, the project should then be declared as dead.

[cclauss]

My sense is that this is ready to land as is.

[acdha]

@claudep I think you're right that we should merge it. Longer term, Haystack could really use new maintainers. I decommissioned the project I primarily used it on a couple of years ago and my spare time is pretty limited these days. I've been thinking about discussing it with Jazzband to see if we could turn everything in this organization over. If you have any advice, I'd be interested in your opinion.

[cclauss]

Your reviews please on #1855

[claudep]

Moving to Jazzband could be a good thing, but this will not automagically add new maintainers. I'd suggest opening a ticket to collect any interested future maintainers, and then the new team, if any, could help to move to Jazzband.