bugfix: federation #634

Closes #634 (closed)

Use case added in the tests

added 4 commits

• 945d61ab - 1 commit from branch master
• 37007b73 - bugfix: fetch containers children if no properties #634 (closed)
• 7bdaf54a - bugfix: resolve getData if errors
• c4c7953f - add tests

Compare with previous version

merged