fixing flake8 tests

Change-Id: Id3db9e940d07fb67a81e727f310900a9eb92e18d
Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>
diff --git a/RO-VIM-openstack/tox.ini b/RO-VIM-openstack/tox.ini
index 2a67756..a22aa1c 100644
--- a/RO-VIM-openstack/tox.ini
+++ b/RO-VIM-openstack/tox.ini
@@ -14,8 +14,8 @@
 ##
 
 [tox]
-envlist = py3
-toxworkdir={homedir}/.tox
+envlist = flake8
+toxworkdir={toxinidir}/../.tox
 
 [testenv]
 basepython = python3