Fixing tox and pylint errors

Fixing import errors introduced by commits
icac3475a0454b730d6e5b2093c2e63d395acd387 and
0b7d9c5.

https://pagure.io/freeipa/issue/7132

Reviewed-By: Christian Heimes <cheimes@redhat.com>
Reviewed-By: Tomas Krizek <tkrizek@redhat.com>

.travis.yml

@@ -31,6 +31,7 @@ env:
             test_ipapython
             test_ipaserver
             test_pkcs10
+            test_integration/test_ipalib_util.py
             test_xmlrpc/test_[l-z]*.py"
         - TASK_TO_RUN="run-tests"
           PYTHON=/usr/bin/python3
@@ -46,6 +47,7 @@ env:
                 test_ipapython
                 test_ipaserver
                 test_pkcs10
+                test_integration/test_ipalib_util.py
                 test_xmlrpc/test_[l-uw-z]*.py"
                 # FIXME: add vault tests once PKI finally fixes vault
 install: