make test
Note that the latter is defined as:

python -m pytest -n auto --dist=loadfile -s -v ./tests/
which tells pytest to:

run as many test processes as they are CPU cores (which could be too many if you don't have a ton of RAM!)
ensure that all tests from the same file will be run by the same test process
do not capture output
run in verbose mode

Getting the list of all tests
All tests of the test suite:

pytest --collect-only -q
All tests of a given test file: