Fix tox passenv.

I don't know it changed.

Author: iurisilvio

setup.cfg

@@ -97,7 +97,7 @@ REDIS =
     master: redismaster
 
 [testenv]
-passenv = CI GITHUB*
+passenv = CI,GITHUB*
 commands =
   {envpython} -m pytest --cov-report= --ds=settings.sqlite {posargs}
   {envpython} -m pytest --cov-append --cov-report= --ds=settings.sqlite_json {posargs}