[unitTesting] Add sleep(1) to make sure that the second thread

can have time to write on the output stream.
4 jobs for v3.3.0 in 44 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Test
failed doc-coverage #21827

00:00:44

failed robotpkg-py-dynamic-graph-v3-14.04-release #21824

00:00:28

failed robotpkg-py-dynamic-graph-v3-16.04-release #21825

00:00:42

failed robotpkg-py-dynamic-graph-v3-18.04-release #21826

00:00:33

 
Name Stage Failure
failed
doc-coverage Test
No job log
failed
robotpkg-py-dynamic-graph-v3-18.04-release Test
No job log
failed
robotpkg-py-dynamic-graph-v3-16.04-release Test
No job log
failed
robotpkg-py-dynamic-graph-v3-14.04-release Test
No job log