Add tests for runtime validation
Add tests for runtime validation

Signed-off-by: Mrunal Patel <d389837b018b67489df74a2c5f0aca13aaed44b6@gmail.com>

opencontainers/ocitools,wking/ocitools-v2,wking/ocitools-v2,liangchenye/ocitools,liangchenye/ocitools,opencontainers/runtime-tools,opencontainers/runtime-tools,opencontainers/ocitools