(8 mar (b) Consider a system with components A, B, C, D, E, F, and G. G depends on A, D and F. A depends on B and C. D depends on E. (i) Sketch a dependency graph for this system. (ii) Clearly describe how the top-down and bottom-up integration test strategies would work with this particular set of components. In your answer indicate the specific order in which components can be tested and what driver or stub code is required at each stage