Merge branch 'f-unittest' into 'dev'

.docker/Dockerfile

.docker/cert.sh

.docker/docker-compose.yml

.docker/run.sh

.docker/sss_pycaosdb.ini

.docker/tester.yml

.docker/tester_pycaosdb.ini

.docker/wait-for-it.sh

.gitlab-ci.yml

integrationtests/test.py

setup.cfg

src/doc/conf.py

src/newcrawler/identified_cache.py

tox.ini

unittests/test_converters.py

unittests/test_entity_comparison.py

unittests/test_file_identifiables.py

unittests/test_schema.py

unittests/test_tool_extended.py