Implement Starknet Foundry unit testing

[tekkac]

Description

Adapt and implement unit tests using Starknet Foundry in Cairo 2.6 from the ERC specification implementation.

Additional Information

[Easy - Cairo - Medium Priority]

Acceptance Criteria

• Add the Starknet Foundry dependency
• Adapt and pass unit tests from the Solidity implementation of EIP-7496

[Oshioke-Salaki]

Please can I get this?

[Khyati729]

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