test: ws build tx without sign and lock

[raul-oliveira]

Acceptance Criteria

• wallet service test suite for build and sign nano tx

Security Checklist

• Make sure you do not include new dependencies in the project unless strictly necessary and do not include dev-dependencies as production ones. More dependencies increase the possibility of one of them being hijacked and affecting us.

[coderabbitai]

Important

Review skipped

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Please check the settings in the CodeRabbit UI or the .coderabbit.yaml file in this repository. To trigger a single review, invoke the @coderabbitai review command.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch test/ws-build-tx-without-sign-and-lock

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