def build_client(options = {})
      Gruf::Client.new(
        service: ::Rpc::ThingService,
        options: {
          hostname: "0.0.0.0:#{@server.port}",
          username: USERNAME,
          password: PASSWORD
        }.merge(options)
      )
    end
def build_client(options = {})
      Gruf::Client.new(
        service: ::Rpc::ThingService,
        options: {
          hostname: "0.0.0.0:#{@server.port}",
          username: USERNAME,
          password: PASSWORD
        }.merge(options)
      )
    end
Builds a client