tox: Remove coverage from py.test command

Author: userzimmermann

tox.ini

@@ -6,4 +6,4 @@ deps =
     -rrequirements.test.txt
 
 commands =
-    py.test -vv test --cov=nodely --cov-report=term-missing --cov-fail-under=100
+    py.test -vv test