fix testcode

Signed-off-by: OhJuhun <[email protected]>

Author: OhJuhun

test/plugin/test_out_webhdfs.rb

@@ -403,6 +403,7 @@ def test_time_key_without_buffer_section
           renew_kerberos_delegation_token: d.instance.instance_eval("@renew_kerberos_delegation_token"),
           renew_kerberos_delegation_token_interval: d.instance.instance_eval("@renew_kerberos_delegation_token_interval"),
           renew_kerberos_delegation_token_interval_hour: d.instance.instance_eval("@renew_kerberos_delegation_token_interval_hour"),
+          kerberos_delegation_token_max_lifetime: d.instance.instance_eval("@kerberos_delegation_token_max_lifetime"),
           kerberos_delegation_token_max_lifetime_hour: d.instance.instance_eval("@kerberos_delegation_token_max_lifetime_hour"),
         })
     end