threadshare/tcpclientsrc: Fix build of test with changes gst::Sample API

4 jobs for master in 9 minutes and 5 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Lint
passed #257941
rustfmt

00:00:27

 
  Test
passed #257942
test 1.31

00:08:22

passed #257944
allowed to fail
test nightly

00:08:36

passed #257943
test stable

00:08:35