Close beekeeper.
Closes #112 (closed)
Result after fixes :
(112-bk-is-still-alive-after-tests)(default) $ ps auxww | grep beekeeper
user 52763 0.0 0.0 11748 2428 pts/1 S+ 10:36 0:00 grep --color=auto beekeeper
(112-bk-is-still-alive-after-tests)(default) $ python3 -m pytest -n auto --durations 0 --junitxml=report.xml tests/functional/beekeeper
(112-bk-is-still-alive-after-tests)(default) $ ps auxww | grep beekeeper
user 57830 0.0 0.0 11748 2432 pts/1 S+ 10:53 0:00 grep --color=auto beekeeper