src/webgpu/web_platform/reftests/canvas_composite_alpha_rgba8unorm_premultiplied_copy.https.html [1:19]: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - WebGPU canvas_composite_alpha_rgba8unorm_premultiplied