dev: refactor kakarot_rpc_core::test_utils to a kakarot_test_utils crate

[bajpai244]

Time spent on this PR:

Resolves: #554

Pull Request type

Please check the type of change your PR introduces:

• Bugfix
• Feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no API changes)
• Build-related changes
• Documentation content changes
• Testing

What is the new behavior?

The kakarot_rpc_core::test_utils has been refactored to a new trait kakarot_test_utils

Does this introduce a breaking change?

• Yes
• No

[greged93]

Just one comment then looks good

[codecov]

Codecov Report

Patch coverage: 83.43% and project coverage change: +49.63% 🎉

Comparison is base (71506a8) 23.17% compared to head (773ff31) 72.80%.
Report is 216 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #553       +/-   ##
===========================================
+ Coverage   23.17%   72.80%   +49.63%     
===========================================
  Files           9       45       +36     
  Lines        1247     4060     +2813     
===========================================
+ Hits          289     2956     +2667     
- Misses        958     1104      +146     

Files Changed	Coverage Δ
crates/core/src/mock/serde.rs	0.00% <0.00%> (ø)
crates/core/src/models/transaction.rs	93.63% <ø> (ø)
crates/core/src/models/transaction_receipt.rs	97.02% <ø> (ø)
crates/eth-rpc/src/api/alchemy_api.rs	100.00% <ø> (ø)
crates/eth-rpc/src/api/eth_api.rs	100.00% <ø> (ø)
crates/eth-rpc/src/api/net_api.rs	100.00% <ø> (ø)
crates/eth-rpc/src/api/web3_api.rs	100.00% <ø> (ø)
crates/eth-rpc/src/config.rs	100.00% <ø> (ø)
crates/eth-rpc/src/lib.rs	93.33% <ø> (ø)
crates/eth-rpc/src/main.rs	0.00% <ø> (ø)
... and 35 more

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[greged93]

Lgtm!

[greged93]

Thanks for the refactor! Now we start cleaning these utils :)