Import test codes from https://github.com/sisimai/p5-Sisimai/commit/8811de16952932095206b8bf86e65cdaf92c7397
Import test codes from https://github.com/sisimai/p5-Sisimai/commit/8811de16952932095206b8bf86e65cdaf92c7397

azumakuniyuki/rb-Sisimai,azumakuniyuki/rb-Sisimai