Test against cosmos/cosmos-sdk@5889

[alessio]

Test against cosmos/cosmos-sdk#5889

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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 #338 into master will increase coverage by 0.39%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #338      +/-   ##
==========================================
+ Coverage   67.65%   68.05%   +0.39%     
==========================================
  Files           4        4              
  Lines         504      504              
==========================================
+ Hits          341      343       +2     
+ Misses        132      130       -2     
  Partials       31       31