* Changed unit tests to only record known the validation pass/fail
status
* errors are output as part of the failure message if the result is
unexpected
* can turn off validation for each test individually
* Moved some SPV_KHR_vulkan_memory_model tests to be compiled for Vulkan
1.1
SPIR-V requires the coverage mask to be an array of integers, but HLSL
allows scalar integers. This adds the requisite type conversion and
wrapped entry point handling.
Fixes: #1202
