Prevent field mappings set value from bleeding into other specs

[bkiahstroud]

Since Hyku.default_bulkrax_field_mappings= sets an instance variable, it can persist in scope for other specs, causing unexpected / flaky failures

[github-actions]

Test Results

    3 files  ±0      3 suites  ±0   18m 26s ⏱️ +3s
2 053 tests ±0  2 003 ✅ +1  50 💤 ±0  0 ❌  - 1 
2 080 runs  ±0  2 028 ✅ +1  52 💤 ±0  0 ❌  - 1 

Results for commit cda7724. ± Comparison against base commit 36c6aab.

This pull request removes 42 and adds 42 tests. Note that renamed tests count towards both.

spec.abilities.work_ability_spec ‑ Hyrax::Ability::WorkAbility when work depositor Etd permissions is expected not to be able to destroy b9573ca3-0480-48e3-8080-45950deb23e8
spec.abilities.work_ability_spec ‑ Hyrax::Ability::WorkAbility when work depositor Etd permissions is expected not to be able to edit c3ccda88-0321-429e-86eb-701527812efb
spec.abilities.work_ability_spec ‑ Hyrax::Ability::WorkAbility when work depositor Etd permissions is expected not to be able to read e5844b6c-960e-4ab3-9848-48f14b9b1fff
spec.abilities.work_ability_spec ‑ Hyrax::Ability::WorkAbility when work depositor Etd permissions is expected not to be able to update 6c1ff9e4-bd58-46fe-b36a-ae580e021df8
spec.abilities.work_ability_spec ‑ Hyrax::Ability::WorkAbility when work depositor FileSet permissions is expected not to be able to destroy dd09fcd5-67c4-421d-a492-2351a23d1e22
spec.abilities.work_ability_spec ‑ Hyrax::Ability::WorkAbility when work depositor FileSet permissions is expected not to be able to edit 1e11317c-e4bc-4e67-bd11-03f1b8245db6
spec.abilities.work_ability_spec ‑ Hyrax::Ability::WorkAbility when work depositor FileSet permissions is expected not to be able to read 1cff900b-d747-44a9-a935-5eab031e59b6
spec.abilities.work_ability_spec ‑ Hyrax::Ability::WorkAbility when work depositor FileSet permissions is expected not to be able to update 879fc6ab-fa45-4f8f-9f73-250b4139123e
spec.abilities.work_ability_spec ‑ Hyrax::Ability::WorkAbility when work depositor GenericWork permissions is expected not to be able to destroy 72d30ebb-dfe6-40b7-b021-33211c0f249d
spec.abilities.work_ability_spec ‑ Hyrax::Ability::WorkAbility when work depositor GenericWork permissions is expected not to be able to edit 18338ffa-e7f8-4df5-afbf-6c29eeda3a54
…

spec.abilities.work_ability_spec ‑ Hyrax::Ability::WorkAbility when work depositor Etd permissions is expected not to be able to destroy 87a67164-3576-4f70-b76d-ffd2b1915fb2
spec.abilities.work_ability_spec ‑ Hyrax::Ability::WorkAbility when work depositor Etd permissions is expected not to be able to edit b599c1fc-a8a6-4d9f-b223-c10a4e03ebf2
spec.abilities.work_ability_spec ‑ Hyrax::Ability::WorkAbility when work depositor Etd permissions is expected not to be able to read 041091e2-e8b0-4645-8fcc-fe6cce05d8d9
spec.abilities.work_ability_spec ‑ Hyrax::Ability::WorkAbility when work depositor Etd permissions is expected not to be able to update de8136fa-3e30-4178-8f4f-d1e8fde6fd0c
spec.abilities.work_ability_spec ‑ Hyrax::Ability::WorkAbility when work depositor FileSet permissions is expected not to be able to destroy 8491c81c-ea06-41c0-95cb-7aeb61de4d1d
spec.abilities.work_ability_spec ‑ Hyrax::Ability::WorkAbility when work depositor FileSet permissions is expected not to be able to edit f411f7a6-db6e-44ec-a8e9-3cdee067ec64
spec.abilities.work_ability_spec ‑ Hyrax::Ability::WorkAbility when work depositor FileSet permissions is expected not to be able to read a09825d4-8517-4e0d-b563-bc7961f564c9
spec.abilities.work_ability_spec ‑ Hyrax::Ability::WorkAbility when work depositor FileSet permissions is expected not to be able to update 93a1d5dd-aa39-4939-9e23-8ad4fa412eaf
spec.abilities.work_ability_spec ‑ Hyrax::Ability::WorkAbility when work depositor GenericWork permissions is expected not to be able to destroy 01247f51-bc90-461c-b9ca-b49d2b68d233
spec.abilities.work_ability_spec ‑ Hyrax::Ability::WorkAbility when work depositor GenericWork permissions is expected not to be able to edit c608f019-60f3-4fe5-a05c-1e296f1087e2
…

♻️ This comment has been updated with latest results.

[laritakr]

Thanks for finding the solution so quickly! :)