Richard van der Hoff 8f98260552
Fix incompatibility with Twisted < 21. (#10713)
Turns out that the functionality added in #10546 to skip TLS was incompatible
with older Twisted versions, so we need to be a bit more inventive.

Also, add a test to (hopefully) not break this in future. Sadly, testing TLS is
really hard.
2021-08-27 16:33:41 +01:00
..
2021-06-02 16:37:59 +01:00
2021-07-13 11:43:15 +01:00