FDB-593 add wipe unit tests.

[nicolau-manubens]

Description

Adds wipe unit tests.

Contributor Declaration

By opening this pull request, I affirm the following:

• All authors agree to the Contributor License Agreement.
• The code follows the project's coding standards.
• I have performed self-review and added comments where needed.
• I have added or updated tests to verify that my changes are effective and functional.
• I have run all existing tests and confirmed they pass.

🌈🌦️📖🚧 Documentation Z3FDB 🚧📖🌦️🌈
https://sites.ecmwf.int/docs/dev-section/z3fdb/pull-requests/PR-199

🌈🌦️📖🚧 Documentation FDB 🚧📖🌦️🌈
https://sites.ecmwf.int/docs/dev-section/fdb/pull-requests/PR-199

[codecov-commenter]

Codecov Report

❌ Patch coverage is 79.19708% with 57 lines in your changes missing coverage. Please review.
✅ Project coverage is 73.30%. Comparing base (4adf75c) to head (cb04014).

Files with missing lines	Patch %	Lines
tests/fdb/api/test_wipe.cc	80.14%	53 Missing ⚠️
src/dummy_daos/daos.cc	66.66%	1 Missing ⚠️
src/dummy_daos/daos/tests_lib.cc	50.00%	1 Missing ⚠️
tests/fdb/daos/test_daos_catalogue.cc	0.00%	1 Missing ⚠️
tests/fdb/daos/test_daos_store.cc	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #199      +/-   ##
===========================================
+ Coverage    72.93%   73.30%   +0.37%     
===========================================
  Files          362      363       +1     
  Lines        21737    21956     +219     
  Branches      2242     2253      +11     
===========================================
+ Hits         15853    16094     +241     
+ Misses        5884     5862      -22     

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