Re: [PATCH 0/5] MR684: tests/shader-runner: Improve test coverage.

[Francisco Casas (＠fcasas)]

Francisco Casas (@fcasas) commented about tests/hlsl/uav-atomics.shader_test:
>  InterlockedMax(u[4], v.x);
>  InterlockedMin(u[5], v.x);
>  InterlockedXor(u[6], v.x);
> - InterlockedExchange(u[7], v.x, old);

Can't we extend the RWBuffer to make it size 9, to store `old` in `u[8]` and check that it indeed retains the old value in `u[7]` ?

Same for the new test in the next commit.