fix(errors): test failures

[aaronc]

Description

Fixes some test failures in errors that I'm almost certain didn't show up in #10779. Seems like all tests weren't running properly there.

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Author Checklist

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please add links to any relevant follow up issues.

I have...

• included the correct type prefix in the PR title
• added ! to the type prefix if API or client breaking change
• targeted the correct branch (see PR Targeting)
• provided a link to the relevant issue or specification
• followed the guidelines for building modules
• included the necessary unit and integration tests
• added a changelog entry to CHANGELOG.md
• included comments for documenting Go code
• updated the relevant documentation or specification
• reviewed "Files changed" and left comments if necessary
• confirmed all CI checks have passed

Reviewers Checklist

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your handle next to the items reviewed if you only reviewed selected items.

I have...

• confirmed the correct type prefix in the PR title
• confirmed ! in the type prefix if API or client breaking change
• confirmed all author checklist items have been addressed
• reviewed state machine logic
• reviewed API design and naming
• reviewed documentation is accurate
• reviewed tests and test coverage
• manually tested (if applicable)

[codecov]

Codecov Report

Merging #10879 (d62fb5c) into master (344be86) will increase coverage by 0.05%.
The diff coverage is 81.81%.

@@            Coverage Diff             @@
##           master   #10879      +/-   ##
==========================================
+ Coverage   64.63%   64.69%   +0.05%     
==========================================
  Files         620      614       -6     
  Lines       59424    58984     -440     
==========================================
- Hits        38409    38157     -252     
+ Misses      18852    18685     -167     
+ Partials     2163     2142      -21     

Impacted Files	Coverage Δ
x/gov/types/v1beta2/codec.go	42.10% <ø> (ø)
x/gov/types/v1beta2/deposit.go	0.00% <ø> (ø)
x/gov/types/v1beta2/genesis.go	47.50% <ø> (ø)
x/gov/types/v1beta2/params.go	22.22% <ø> (ø)
x/gov/types/v1beta2/proposal.go	16.12% <ø> (ø)
x/gov/types/v1beta2/tally.go	0.00% <ø> (ø)
x/gov/types/v1beta2/vote.go	29.26% <ø> (ø)
x/gov/types/v1beta2/msgs.go	49.28% <71.42%> (ø)
x/gov/keeper/querier.go	38.75% <75.00%> (ø)
errors/stacktrace.go	84.14% <100.00%> (ø)
... and 18 more