chore: remove TS errors from some tests

[Torres-ssf]

Summary

There are way too many TS errors in the SDK's test files. This PR aims to cut down that number.

Checklist

• All changes are covered by tests (or not applicable)
• All changes are documented (or not applicable)
• I reviewed the entire PR myself (preferably, on GH UI)
• I described all Breaking Changes (or there's none)

[arboleya]

🕵️‍♂️ 🧹 🚢

Question: A bunch of these should have been caught by lint, right?

[github-actions]

Coverage Report:

Lines	Branches	Functions	Statements
79.42%(+0%)	71.82%(+0.03%)	77.7%(-0.14%)	79.55%(+0%)

Changed Files:

Ok	File (✨=New File)	Lines	Branches	Functions	Statements
🔴	packages/abi-coder/src/utils/transpile-abi.ts	100% (+2.64%)	91.66% (+4.16%)	94.11% (+0%)	97.72% (+2.27%)
🔴	packages/account/src/connectors/fuel.ts	95.39% (-1.16%)	90.66% (+1.33%)	88.88% (-6.35%)	95.56% (-1.12%)
🔴	packages/account/src/providers/transaction-request/transaction-request.ts	88.48% (+0%)	78.26% (-1.45%)	84% (+0%)	88.73% (+0%)

[Torres-ssf]

🕵️‍♂️ 🧹 🚢

Question: A bunch of these should have been caught by lint, right?

@arboleya You're right it should, but it appears that test files are ignored by the lintscript