Follow-up from "Implement handling of deposit-values in SCORU": add tests for bonds IDs destruction

According to coverage report, these lines of code are not yet covered. They deserve some coverage tests to be sure they are correct, and to detect possible regressions in the future.

The following discussion from !5398 (merged) should be addressed:

• @iguerNL started a discussion: (+12 comments)

  From what I understand, the encoding above allows us to tell if were are destructing a TORU or a SCORU address thanks to tx_rollup and sc_rollup fields names. Why should we try all possibilities here?