dnm: grpc fixes testing

[adamewozniak]

Description

---

Author Checklist

All items are required. Please add a note to the item if the item is not applicable and
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
• added appropriate labels to the PR
• targeted the correct branch (see PR Targeting)
• provided a link to the relevant issue or specification
• 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 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)

[mergify]

⚠️ The sha of the head commit of this PR conflicts with #1687. Mergify cannot evaluate rules on this PR. ⚠️

[codecov-commenter]

Codecov Report

Merging #1688 (5d1c910) into main (13745da) will increase coverage by 0.15%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #1688      +/-   ##
==========================================
+ Coverage   57.82%   57.97%   +0.15%     
==========================================
  Files          73       73              
  Lines        7589     7821     +232     
==========================================
+ Hits         4388     4534     +146     
- Misses       2858     2934      +76     
- Partials      343      353      +10     

Impacted Files	Coverage Δ
x/leverage/keeper/oracle.go	62.93% <0.00%> (-0.04%)	⬇️
x/leverage/types/query.pb.gw.go	0.00% <0.00%> (ø)
x/leverage/client/tests/tests.go	100.00% <0.00%> (ø)
x/leverage/keeper/grpc_query.go	64.84% <0.00%> (+2.29%)	⬆️
x/leverage/keeper/limits.go	50.00% <0.00%> (+6.98%)	⬆️

[mergify]

⚠️ The sha of the head commit of this PR conflicts with #1687. Mergify cannot evaluate rules on this PR. ⚠️