Auth: Unit Test for SDK v0.44.3 Upgrade

[AmanRaj1608]

Closes: #332 Related: #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]"

[yoongbok-lee]

Actually this is not the format that we want. Could you look at #368 for the desired format?

[codecov-commenter]

Codecov Report

Merging #367 (3fe0c51) into master (65dc8d2) will increase coverage by 0.08%. The diff coverage is n/a.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #367      +/-   ##
==========================================
+ Coverage   40.83%   40.92%   +0.08%     
==========================================
  Files         127      127              
  Lines       11825    11825              
==========================================
+ Hits         4829     4839      +10     
+ Misses       6528     6519       -9     
+ Partials      468      467       -1     

Impacted Files	Coverage Δ
x/auth/types/vesting_account.go	67.16% <0.00%> (+14.92%)	:arrow_up:

[yoongbok-lee]

Probably needs more test cases, but seems good as-is to be merged in for now.