Added fraud check

[SecondeJK]

This PR adds fraud_check to the outgoing Verify v2 request.

Description

fraud_check will default to true, but the developer does have the option to switch it off in any new verification request using the base method setFraudCheck(false)

How Has This Been Tested?

Additional test to check the outgoing request is correct.

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [x] I have read the CONTRIBUTING document.
• [x] I have added tests to cover my changes.
• [x] All new and existing tests passed.