unit tests for the new templating changes

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
make template for custom repo a callable

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
make centos use the new custom_repo

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
make suse use the new custom_repo callable

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
fix broken docstring

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
Merge pull request #196 from alfredodeza/8534

conditional lines for custom repo files