Missing cli tests for distr and mint

[atheeshp]

Description

This add missing tests for cli queries and transactions which are absent in gaia/cli_test
Reference - #5951

Before we can merge this PR, please make sure that all the following items have been
checked off. If any of the checklist items are not applicable, please leave them but
write a little note why.

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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

[codecov]

Codecov Report

Merging #6349 into master will decrease coverage by 0.00%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #6349      +/-   ##
==========================================
- Coverage   55.54%   55.54%   -0.01%     
==========================================
  Files         465      465              
  Lines       27514    27515       +1     
==========================================
  Hits        15284    15284              
- Misses      11132    11133       +1     
  Partials     1098     1098