[SSSD] [sssd PR#822][synchronized] tests: fix enctypes in test_copy_keytab

[sumit-bose]

URL: https://github.com/SSSD/sssd/pull/822
Author: sumit-bose
 Title: #822: tests: fix enctypes in test_copy_keytab
Action: synchronized

To pull the PR as Git branch:
git remote add ghsssd https://github.com/SSSD/sssd
git fetch ghsssd pull/822/head:pr822
git checkout pr822