Draft: Proof of Issue 375

[floriangantner]

References

• Proofes Cannot select/sort relationships if more than one hidden relationship exists #375

Description

No fix, but some proof of Issue 375

Instructions for Reviewers

• call integration test or see integration test log files. It should fail when more than one common relationship is handled (see issue description)
• The test should not fail anymore when copy rightItem uuid only if there is some value to add #376 is occured
  List of changes in this PR:

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