Add lonely operator for error message

[laritakr]

Fixes

Capturing errors can sometimes result in a situation where the error message throws an error and the true error gets lost. This PR corrects this issue for the find_file_metadata queries.

[github-actions]

Test Results

    17 files  ±0      17 suites  ±0   2h 17m 7s ⏱️ - 4m 19s
 6 705 tests ±0   6 408 ✅ +1  297 💤 ±0  0 ❌  - 1 
13 178 runs  ±0  12 783 ✅ +1  395 💤 ±0  0 ❌  - 1 

Results for commit 0820463. ± Comparison against base commit 59a42ad.

This pull request removes 274 and adds 274 tests. Note that renamed tests count towards both.

spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to create #<Hyrax::PermissionTemplate:0x00007f14897bd708>
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to create #<Hyrax::PermissionTemplate:0x00007fba83ec5c80>
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to create #<Hyrax::PermissionTemplateAccess:0x00007f148a194600>
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to create #<Hyrax::PermissionTemplateAccess:0x00007fba83ffc450>
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to destroy AdminSet: 133a9822-768b-48ad-a346-396b70d63b8b
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to destroy Hyrax::AdministrativeSet: d2a1f5ab-99e3-4f8a-af33-0f3fdb07e5a2
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to edit AdminSet: c5cdc4e2-8185-4228-a98c-b012fbea7e7f
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to edit Hyrax::AdministrativeSet: 67871b8d-cc2d-4fee-8a21-c9ae70f921ec
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to update AdminSet: 84ed5efd-d6ce-4bf0-9187-6e1f28380843
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to update Hyrax::AdministrativeSet: 7f6fdad7-4891-48e5-b492-1da2b3ab04db
…

spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to create #<Hyrax::PermissionTemplate:0x00007f2245ef9d90>
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to create #<Hyrax::PermissionTemplate:0x00007ff749ac80d0>
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to create #<Hyrax::PermissionTemplateAccess:0x00007f2247574c50>
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to create #<Hyrax::PermissionTemplateAccess:0x00007ff73cdfbb88>
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to destroy AdminSet: fd266505-c4d4-49c3-880b-498a4d1f6cb4
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to destroy Hyrax::AdministrativeSet: 90889d7d-e20b-4389-b9b0-4919ba7ea6bf
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to edit AdminSet: 882ffb95-0507-4fcb-8454-18fef014f352
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to edit Hyrax::AdministrativeSet: 3983c315-1b88-47d2-8eda-7c8b1c9af570
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to update AdminSet: 37efcf2d-da20-4f3d-a165-aa1bc47737f0
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to update Hyrax::AdministrativeSet: 8f621d48-31ce-4ee9-a4c0-56cb0adb905a
…