Move output to connection utils

Signed-off-by: Katarzyna Treder <katarzyna.treder@h-partners.com>

test/functional/tests/basic/test_basic.py

@@ -21,7 +21,7 @@ from test_tools import fs_utils
 from test_tools.dd import Dd
 from test_tools.disk_utils import Filesystem
 from test_utils.filesystem.file import File
-from test_utils.output import CmdException
+from connection.utils.output import CmdException
 from types.size import Size, Unit
 
 version_file_path = r"/var/lib/opencas/cas_version"