This one fails when run under Windows:
shader_runner_d3d12:140:Section [pixel shader], line 1: Test failed: Failed to compile shader, hr 0x80004005. shader_runner_d3d12:144:Section [pixel shader], line 1: Z:\home\meg\git\build-vkd3d\Shader@0x00000000006D0700(10,16): error X3651: ps_4_0 does not support doubles