OSIS-4875 add new forms tests to TestAttachNodeFormFactory
OSIS-4875 add new forms tests to TestAttachNodeFormFactory

uclouvain/osis,uclouvain/osis,uclouvain/OSIS-Louvain,uclouvain/osis,uclouvain/OSIS-Louvain,uclouvain/OSIS-Louvain,uclouvain/osis