Backport of "rtspclientsink: make leaks tracer happy, fix leaks in unit tests" into 1.18 (!192) · Merge requests · GStreamer / gst-rtsp-server

Backport of !190 (merged) "rtspclientsink: make leaks tracer happy, fix leaks in unit tests".

Commits:

8c496762 rtspclientsink: mark cached caps as maybe-leaked to make leaks tracer happy
247b17c0 tests: rtspclientsink: fix some leaks

Backport of "rtspclientsink: make leaks tracer happy, fix leaks in unit tests" into 1.18