hygiene :rebind loop variable and wrap the actual test logic inside in suite.Run()

[trinitys7]

Description

• rebind loop variable in tests
• wrap the actual test logic inside in suite.Run()

closes: #4419

---

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• 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 and Go style guide.
• Wrote unit and integration tests.
• Updated relevant documentation (docs/) or specification (x/<module>/spec/).
• Added relevant godoc comments.
• Provide a commit message to be used for the changelog entry in the PR description for review.
• Re-reviewed Files changed in the Github PR explorer.
• Review Codecov Report in the comment section below once CI passes.

[damiannolan]

Thanks for opening this PR @trinitys7, just left one initial comment as CI job for capability tests are failing.

[crodriguezvega]

Thank you, @trinitys7. One comment for now.

[damiannolan]

Thank you @trinitys7!

[DimitrisJim]

lgtm considering comments left in other reviews

[codecov-commenter]

Codecov Report

Merging #4658 (dfc90d4) into main (8baeb7f) will increase coverage by 0.04%.
Report is 5 commits behind head on main.
The diff coverage is 94.44%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4658      +/-   ##
==========================================
+ Coverage   79.73%   79.77%   +0.04%     
==========================================
  Files         187      189       +2     
  Lines       13195    13231      +36     
==========================================
+ Hits        10521    10555      +34     
- Misses       2246     2248       +2     
  Partials      428      428              

Files Changed	Coverage Δ
modules/core/02-client/types/legacy_proposal.go	92.85% <92.85%> (ø)
modules/core/02-client/proposal_handler.go	100.00% <100.00%> (ø)

[crodriguezvega]

@trinitys7 if you can rebase with main, then we will merge the PR. Thank you!