Updating tests to ignore warnings from facter

https://originci-openshift.rhcloud.com/job/runtime_extended/9/console

Eg: 
[root@ec2-174-129-84-21 ec2-user]# facter active_capacity 2> /dev/null 
ParseConfig Deprecation Warning: get_value() is deprecated. Use config['param'] or config['group']['param'] instead.
46.0