Use CompareToReferenceOutput for int pixel type

tests/ImageSharp.Tests/Formats/Exr/ExrDecoderTests.cs

@@ -52,7 +52,9 @@ public class ExrDecoderTests
     {
         using Image<TPixel> image = provider.GetImage(ExrDecoder.Instance);
         image.DebugSave(provider);
-        image.CompareToOriginal(provider, ReferenceDecoder);
+
+        // Compare to referene output, since the reference decoder does not support this pixel type.
+        image.CompareToReferenceOutput(provider);
     }
 
     [Theory]

tests/Images/External/ReferenceOutput/ExrDecoderTests/ExrDecoder_CanDecode_Uncompressed_Rgb_ExrPixelType_Uint_Rgba32_rgb_uint32_uncompressed.png

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:15adaff9755ff38f0a2b30180ced9e52ac1bf51b8f3b80fd26d85f18c0eef686
+size 68918