test: add the check for expPaginationTotal

[Kynea0b]

Description

This PR is for checking this field.

https://github.com/Finschia/finschia-sdk/blob/ba75f8e7845a740afdce6e5f1c91f1a97433b7e2/proto/cosmos/base/query/v1beta1/pagination.proto#L54

Checklist:

• I followed the contributing guidelines and code of conduct.
• I have added a relevant changelog to CHANGELOG.md
• I have added tests to cover my changes.
• I have updated the documentation accordingly. (not needed)
• I have updated API documentation client/docs/swagger-ui/swagger.yaml (not needed)

[codecov]

Codecov Report

Merging #73 (57862eb) into main (8eca926) will decrease coverage by 0.08%.
The diff coverage is n/a.

❗ Current head 57862eb differs from pull request most recent head 12ab38f. Consider uploading reports for the commit 12ab38f to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #73      +/-   ##
==========================================
- Coverage   62.32%   62.25%   -0.08%     
==========================================
  Files          80       80              
  Lines        9966     9966              
==========================================
- Hits         6211     6204       -7     
- Misses       3429     3434       +5     
- Partials      326      328       +2     

see 2 files with indirect coverage changes