class Mock
        def list_vm_cdroms(vm_id)
          raise Fog::Vsphere::Compute::NotFound, 'VM not Found' unless data[:servers].key?(vm_id)
          return [] unless data[:servers][vm_id].key?('cdroms')
          data[:servers][vm_id]['cdroms'].map { |h| h.merge(instance_uuid: vm_id) }