✨ Feature Request: Add Test Suite for Multiple third party signers

### Feature or Improvement Description

Add comprehensive test cases demonstrating integration with different signer types, starting with ethers.js Signer. This will provide clear examples of how to use various signer implementations with the SDK.

### Benefits & Outcomes

- **Better Documentation**: Provide practical examples of integrating different signer types
- **Improved Developer Experience**: Make it easier for developers to use their preferred signer library
- **Compatibility Verification**: Ensure the SDK works correctly with popular signer implementations
- **Reduced Support Issues**: Prevent common integration problems through clear examples
- **Framework Flexibility**: Demonstrate SDK's ability to work with different Web3 frameworks

### Implementation Ideas

1. **Create New Test File**
- Structure tests by signer type
- Include setup and teardown for each signer type

2. **Common Scenarios to Test**


4. **Test Environment Setup**
- Add necessary test utilities
- Create mock providers
- Set up test accounts
- Configure test networks

5. **Documentation**
- Add detailed comments explaining signer setup
- Document any signer-specific considerations
- Include example snippets in docs
- Add troubleshooting notes

6. **Future Expansion**
- Structure tests to easily add more signer types
- Consider hardware wallet integration tests
- Add multi-signer scenario tests

### Code of Conduct

- [x] I agree to follow this project's Code of Conduct.