TST: corner case where a role has the PROPERTY:ADD but not the REMOVE permission

Summary

This shows that https://gitlab.com/caosdb/caosdb-server/-/issues/140 is CloseWorks For Me

Focus

Please verify that the test actually does what is being reported in the issue https://gitlab.com/caosdb/caosdb-server/-/issues/140

Test Environment

How to set up a test environment for manual testing?

Check List for the Author

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• All automated tests pass
• Reference related issues
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Check List for the Reviewer

• I understand the intent of this MR
• All automated tests pass
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