tests: Remove unnecessary code
tests: Remove unnecessary code

Clean up the unexpected errors in DescriptorSetCompatibility.

Change-Id: I913176981b24c28ba41fd6a4a0ad0ef85195355b

KhronosGroup/Vulkan-LoaderAndValidationLayers,KhronosGroup/Vulkan-LoaderAndValidationLayers,KhronosGroup/Vulkan-LoaderAndValidationLayers,KhronosGroup/Vulkan-LoaderAndValidationLayers