Add default action test in graphite_web_config resource specs.
Add default action test in graphite_web_config resource specs.

hw-cookbooks/graphite,hw-cookbooks/graphite,hw-cookbooks/graphite,diegobill/graphite,diegobill/graphite,mbabic/graphite,bitmonk/chef-graphite,bitmonk/chef-graphite,mbabic/graphite,tas50/graphite,tas50/graphite,mbabic/graphite,bitmonk/chef-graphite,diegobill/graphite,tas50/graphite