more tests

[tzemanovic]

Describe your changes

related to #1497

Depends-On: #3697

• add couple basic tests in core
• removes "integration" feature

Checklist before merging

• If this PR has some consensus breaking changes, I added the corresponding breaking:: labels
  • This will require 2 reviewers to approve the changes

[mergify]

Merge Protections

Your pull request matches the following merge protections and will not be merged until they are valid.

⛓️ Depends-On Requirements

Requirement based on the presence of Depends-On in the body of the pull request

• depends-on=anoma/namada#3697 [⛓️ refactor tendermint-rs reexports #3697]

[codecov]

Codecov Report

Attention: Patch coverage is 93.85965% with 7 lines in your changes missing coverage. Please review.

Project coverage is 63.08%. Comparing base (a899f28) to head (c7ea77d).
Report is 9 commits behind head on main.

Files	Patch %	Lines
crates/merkle_tree/src/lib.rs	0.00%	2 Missing ⚠️
crates/node/src/shell/init_chain.rs	66.66%	2 Missing ⚠️
crates/node/src/shell/mod.rs	77.77%	2 Missing ⚠️
crates/core/src/chain.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3704      +/-   ##
==========================================
+ Coverage   61.50%   63.08%   +1.57%     
==========================================
  Files         315      309       -6     
  Lines      103879   101491    -2388     
==========================================
+ Hits        63891    64022     +131     
+ Misses      39988    37469    -2519     

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[tzemanovic]

I rm'd the "integration" feature in 9dc5a13, but in CI it's still running with --feature integration from main so this is expected to fail