TextureEncodingTest.gltf is different from expected result

[cx20]

I tried Khronos' new test model TextureEncodingTest.gltf with Ashes.
However, it seems to be different from the expected result.

Test model:
https://github.com/KhronosGroup/glTF-Sample-Models/tree/encoding/2.0/TextureEncodingTest

Expected result:

Current result: