Use better test image for float pixel type created with reference encoder

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

@@ -36,8 +36,7 @@ public class ExrDecoderTests
         ExrMetadata exrMetaData = image.Metadata.GetExrMetadata();
         image.DebugSave(provider);
 
-        // There is a 0,0059% difference to the Reference decoder.
-        image.CompareToOriginal(provider, ImageComparer.Tolerant(0.0005f), ReferenceDecoder);
+        image.CompareToOriginal(provider, ImageComparer.Exact, ReferenceDecoder);
         Assert.Equal(ExrPixelType.Float, exrMetaData.PixelType);
     }
 

tests/ImageSharp.Tests/TestImages.cs

@@ -1388,7 +1388,7 @@ public static class TestImages
         public const string Benchmark = "Exr/Calliphora_benchmark.exr";
         public const string Uncompressed = "Exr/Calliphora_uncompressed.exr";
         public const string UncompressedRgba = "Exr/Calliphora_uncompressed_rgba.exr";
-        public const string UncompressedFloatRgb = "Exr/rgb_float32_uncompressed.exr";
+        public const string UncompressedFloatRgb = "Exr/Calliphora_float_uncompressed.exr";
         public const string UncompressedUintRgb = "Exr/Calliphora_uint32_uncompressed.exr";
         public const string UintRgba = "Exr/rgba_uint_uncompressed.exr";
         public const string Zip = "Exr/Calliphora_zip.exr";

tests/Images/Input/Exr/Calliphora_float_uncompressed.exr

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:926996c647c1c54921db0a623e58e5edeb92b447cb4eceb53b8c0e86fd24f11e
+size 720281

tests/Images/Input/Exr/rgb_float32_uncompressed.exr

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:5ab8b71824ca384fc2cde1f74a6f34c38169fa328ccc67f17d08333e9de42f55
-size 243558