test: Fix integration tests

[dudong2]

Closes: #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]" (coding standards)

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 89.74359% with 4 lines in your changes missing coverage. Please review.

Project coverage is 68.37%. Comparing base (c4c9caa) to head (fa3559a).
Report is 6 commits behind head on canto-v8/develop.

Files with missing lines	Patch %	Lines
rpc/backend/account_info.go	50.00%	1 Missing ⚠️
rpc/backend/tracing.go	50.00%	0 Missing and 1 partial ⚠️
rpc/backend/tx_info.go	75.00%	1 Missing ⚠️
rpc/types/events.go	50.00%	1 Missing ⚠️

Additional details and impacted files

@@                 Coverage Diff                  @@
##           canto-v8/develop      #17      +/-   ##
====================================================
+ Coverage             68.30%   68.37%   +0.07%     
====================================================
  Files                   117      117              
  Lines                 11240    11244       +4     
====================================================
+ Hits                   7677     7688      +11     
+ Misses                 3088     3082       -6     
+ Partials                475      474       -1     

Files with missing lines	Coverage Δ
app/ante/authz.go	86.95% <100.00%> (ø)
app/ante/fee_checker.go	93.75% <100.00%> (ø)
app/app.go	85.35% <100.00%> (+0.08%)	⬆️
app/upgrades.go	50.00% <ø> (+1.31%)	⬆️
ethereum/eip712/domain.go	100.00% <100.00%> (ø)
ethereum/eip712/eip712_legacy.go	62.62% <100.00%> (ø)
indexer/kv_indexer.go	64.96% <100.00%> (ø)
rpc/backend/blocks.go	85.58% <100.00%> (ø)
rpc/backend/chain_info.go	81.39% <100.00%> (ø)
rpc/types/block.go	50.46% <100.00%> (ø)
... and 10 more