Merge branch 'system_tests' into 'master'

System tests

See merge request !2
3 jobs for master in 9 minutes and 49 seconds (queued for 3 seconds)
Status Name Job ID Coverage
  Build And Test
passed ligo-channel-completion:buster #245262

00:01:09

passed ligo-channel-completion:jessie #245264

00:09:49

passed ligo-channel-completion:stretch #245263

00:01:01