diff --git a/tests/ImageSharp.Tests/Drawing/SolidFillBlendedShapesTests.cs b/tests/ImageSharp.Tests/Drawing/SolidFillBlendedShapesTests.cs
index e23a09d52..7d73d1b65 100644
--- a/tests/ImageSharp.Tests/Drawing/SolidFillBlendedShapesTests.cs
+++ b/tests/ImageSharp.Tests/Drawing/SolidFillBlendedShapesTests.cs
@@ -1,20 +1,18 @@
 // Copyright (c) Six Labors and contributors.
 // Licensed under the Apache License, Version 2.0.
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using SixLabors.ImageSharp.PixelFormats;
+using SixLabors.ImageSharp.Processing;
+using SixLabors.ImageSharp.Processing.Drawing;
+using SixLabors.ImageSharp.Tests.TestUtilities.ImageComparison;
+using SixLabors.Primitives;
+using Xunit;
 
 // ReSharper disable InconsistentNaming
 namespace SixLabors.ImageSharp.Tests.Drawing
 {
-    using System;
-    using System.Collections.Generic;
-    using System.Linq;
-
-    using SixLabors.ImageSharp.PixelFormats;
-    using SixLabors.ImageSharp.Processing;
-    using SixLabors.ImageSharp.Processing.Drawing;
-    using SixLabors.Primitives;
-
-    using Xunit;
-
     [GroupOutput("Drawing")]
     public class SolidFillBlendedShapesTests
     {
@@ -144,6 +142,13 @@ namespace SixLabors.ImageSharp.Tests.Drawing
                 new { mode },
                 appendPixelTypeToFileName: false,
                 appendSourceFileOrDescription: false);
+
+            var comparer = ImageComparer.TolerantPercentage(0.01f, 3);
+            img.CompareFirstFrameToReferenceOutput(comparer, 
+                provider,
+                new { mode },
+                appendPixelTypeToFileName: false,
+                appendSourceFileOrDescription: false);
         }
     }
 }
\ No newline at end of file
diff --git a/tests/ImageSharp.Tests/TestUtilities/TestImageExtensions.cs b/tests/ImageSharp.Tests/TestUtilities/TestImageExtensions.cs
index da335555d..c2c0eb487 100644
--- a/tests/ImageSharp.Tests/TestUtilities/TestImageExtensions.cs
+++ b/tests/ImageSharp.Tests/TestUtilities/TestImageExtensions.cs
@@ -213,7 +213,8 @@ namespace SixLabors.ImageSharp.Tests
             object testOutputDetails = null,
             string extension = "png",
             bool grayscale = false,
-            bool appendPixelTypeToFileName = true)
+            bool appendPixelTypeToFileName = true,
+            bool appendSourceFileOrDescription = true)
             where TPixel : struct, IPixel<TPixel>
         {
             using (var firstFrameOnlyImage = new Image<TPixel>(image.Width, image.Height))
@@ -221,7 +222,8 @@ namespace SixLabors.ImageSharp.Tests
                 provider,
                 testOutputDetails,
                 extension,
-                appendPixelTypeToFileName))
+                appendPixelTypeToFileName,
+                appendSourceFileOrDescription))
             {
                 firstFrameOnlyImage.Frames.AddFrame(image.Frames.RootFrame);
                 firstFrameOnlyImage.Frames.RemoveFrame(0);
diff --git a/tests/Images/External b/tests/Images/External
index 558729ec8..5a9a88380 160000
--- a/tests/Images/External
+++ b/tests/Images/External
@@ -1 +1 @@
-Subproject commit 558729ec87bcf52f22362175842f88a81ccfc483
+Subproject commit 5a9a88380166a87521d10048f53cda7f5f761d66