Make tests/test_quickstart.py tests run in a temporary directory so they don't attempt to clobber tox.ini in current directory.
Make tests/test_quickstart.py tests run in a temporary directory so
they don't attempt to clobber tox.ini in current directory.

tox-dev/tox,selimb/tox,gaborbernat/tox,Avira/tox,loechel/tox