Use nosetests for coverage in tox.ini

I can't seem to figure out how to have testr and coverage working
properly without pbr so let's use nosetests for it.

Change-Id: Id0f2fc348dc822af9189178b518d2dda711b060c

1 files changed, 2 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index dd97529..6c758fa 100644
--- a/tox.ini
+++ b/tox.ini
@@ -21,7 +21,8 @@ commands =
 commands = {posargs}
 
 [testenv:cover]
-commands = python setup.py testr --coverage
+setenv = NOSE_WITH_COVERAGE=1
+commands = nosetests {posargs}
 
 [tox:jenkins]
 downloadcache = ~/cache/pip