Fix keyring error message on macos

[jackzampolin]

Closes: #XXX

Description

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For contributor use:

• Targeted PR against correct branch (see CONTRIBUTING.md)
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
• Code follows the module structure standards.
• Wrote unit and integration tests
• Updated relevant documentation (docs/) or specification (x/<module>/spec/)
• Added relevant godoc comments.
• Added a relevant changelog entry to the Unreleased section in CHANGELOG.md
• Re-reviewed Files changed in the Github PR explorer

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For admin use:

• Added appropriate labels to PR (ex. WIP, R4R, docs, etc)
• Reviewers assigned
• Squashed all commits, uses message "Merge pull request #XYZ: [title]" (coding standards)

[codecov]

Codecov Report

Merging #5501 into master will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #5501      +/-   ##
==========================================
+ Coverage    54.5%   54.51%   +0.01%     
==========================================
  Files         313      313              
  Lines       18880    18880              
==========================================
+ Hits        10291    10293       +2     
+ Misses       7805     7803       -2     
  Partials      784      784

Impacted Files	Coverage Δ
x/mock/app.go	64.18% <0%> (+1.35%)	⬆️

[alexanderbez]

ACK