test(express): added error and edge case tests #7242
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Pull Request Overview
This PR adds comprehensive error handling and edge case test coverage for the Express coin transaction signing endpoint. The tests validate the API's behavior under various failure scenarios and malformed input conditions.
Key changes:
- Added error case tests for invalid coins, sign transaction failures, and missing transaction data
- Added input validation tests for empty bodies, invalid field types, and malformed JSON
- Added edge case tests for boundary conditions like extremely long private keys and special characters
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sasikumar-bitgo
approved these changes
Oct 15, 2025
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Ticket: WP-6328