py$(PYV): commands[0]> python -m pytest tests
============================= test session starts ==============================
platform sunos5 -- Python $(PYTHON_VERSION).X -- $(@D)/.tox/py$(PYV)/bin/python
cachedir: .tox/py$(PYV)/.pytest_cache
rootdir: $(@D)
collecting ... collected 4 items / 2 deselected / 2 selected

tests/ephemeral_port_test.py::test_preferred_port PASSED
tests/ephemeral_port_test.py::test_preferred_port_in_use PASSED

======== 2 passed, 2 deselected ========
  py$(PYV): OK
  congratulations :)