rspec failures after switching from json to oj on flapjack master

gistfile1.txt

All examples were filtered out; ignoring {:focus=>true}
  1) Flapjack::Gateways::API::ContactMethods lists a contact's notification rules
     Failure/Error: expect(notification_rule_2).to receive(:to_json).and_return('"rule_2"')
       (Double Flapjack::Data::NotificationRule).to_json(any args)
           expected: 1 time with any arguments
           received: 0 times with any arguments
     # ./spec/lib/flapjack/gateways/api/contact_methods_spec.rb:201:in `block (2 levels) in <top (required)>'
     # ./spec/spec_helper.rb:96:in `block (2 levels) in <top (required)>'

  2) Flapjack::Gateways::API::EntityMethods non-bulk API calls returns the status for all checks on an entity
     Failure/Error: expect(last_response.body).to eq(['status!'].to_json)

       expected: "[\"status!\"]"
            got: "[{\"name\":\"status\"}]"

       (compared using ==)
     # ./spec/lib/flapjack/gateways/api/entity_methods_spec.rb:60:in `block (3 levels) in <top (required)>'
     # ./spec/spec_helper.rb:96:in `block (2 levels) in <top (required)>'