hacking>=3.2.0,<3.3.0 # Apache-2.0

coverage>=4.4.1 # Apache-2.0
flake8-import-order==0.12 # LGPLv3
python-subunit>=1.0.0 # Apache-2.0/BSD
oslotest>=3.2.0 # Apache-2.0
stestr>=1.0.0 # Apache-2.0
testtools>=2.2.0 # MIT