def to_json(*args)
      # smooshing their #to_json objects into one JSON hash
      combined = {}
      checks.each do |check|
        combined.merge!(JSON.parse(check.to_json))
      end

      combined.to_json
    end
def to_json(*args)
      # smooshing their #to_json objects into one JSON hash
      combined = {}
      checks.each do |check|
        combined.merge!(JSON.parse(check.to_json))
      end

      combined.to_json
    end
Public: The text of each check in the collection

 Returns a String
 Public: The JSON of each check in the collection

 Returns a String containing a JSON array of hashes