What is the significance of Dependency Injection in C# when designing a test automation framework?

Dependency Injection in C# is significant when designing a test automation framework as it helps manage object dependencies. By injecting dependencies externally, it promotes code modularity, reduces code duplication, and enhances the maintainability of the framework. This allows for better flexibility in changing or extending the functionality of the framework without modifying the existing code, leading to improved code readability and maintainability.