mutation check that tests are robust.
pip install mutation mutation play tests.py --include="src/*.py" mutation replay
--exclude are optional but highly recommended
to avoid the production of useless mutations.
mutation will only
mutate code that has test coverage, hence it works better with a high
mutation will detect whether the tests can be run in parallel. It is
recommended to make the test suite work in parallel to speed up the
Also, it is better to work with a random seed, otherwise add the
--randomly-seed=n that works.