Added tests for bulk asset deletion and restore

[snipe]

I added some tests to confirm the fix in #15122.

[what-the-diff]

PR Summary

• Implementation of Unlocking and Deleting Assets Testing
  A new test file has been added, which permits us to systematically verify functionality related to deleting and restoring large groups of assets. The tests will ensure that everything from individual user permissions to the recording of performed actions works as expected.

• Correction in Accessory Acceptance Test Code
  A missing component has been imported into the Accessory Acceptance Test, ensuring that the program operates properly. This helps send various notifications within the application.