py$(PYV): remove tox env folder $(@D)/.tox/py$(PYV)
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 9 items

tests/test_black.py::test_help_message PASSED
tests/test_black.py::test_fail PASSED
tests/test_black.py::test_pass PASSED
tests/test_black.py::test_mtime_cache PASSED
tests/test_black.py::test_exclude PASSED
tests/test_black.py::test_exclude_folder PASSED
tests/test_black.py::test_include PASSED
tests/test_black.py::test_pytest_deprecation_warning PASSED
tests/test_no_black.py::test_skipped_when_black_unavailable SKIPPED

======== 8 passed, 1 skipped ========
  py$(PYV): OK
  congratulations :)