Merge branch 'test.DQDefects-20170619' into 'master'

DQDefects: Fix ATN test.

See merge request !2786

DataQuality/DQDefects/python/tests/__init__.py

+# -*- coding: utf-8 -*-
 # Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
 
-# -*- coding: utf-8 -*-
 from os import unlink, environ
 from os.path import exists
 from nose import with_setup