Add development fixtures for nested groups
What does this MR do?
Adds development fixtures for nested groups
Are there points in the code the reviewer needs to double check?
no
Why was this MR needed?
For easy use and test of nested groups feature
Screenshot
Does this MR meet the acceptance criteria?
- Tests
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All builds are passing
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Conform by the merge request performance guides -
Conform by the style guides -
Branch has no merge conflicts with master(if it does - rebase it please) -
Squashed related commits together