pytest migration: move init_stack under TestControllerPytest Avoid top-level methods if they could be placed under classes. The init_stack method is only used from TestControllerPytest so it makes sense to scope it under that class.

[tox]
minversion = 1.8
envlist = py{26,27}-pytest

[testenv]
setenv =
    PYTHONHASHSEED = 0
deps =
    pytest: pytest
commands =
    pytest: py.test {posargs}