fix tests

tests/ImageSharp.Tests/Processing/Processors/Convolution/DetectEdgesTest.cs

@@ -42,6 +42,7 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Convolution
                         var bounds = new Rectangle(10, 10, size.Width / 2, size.Height / 2);
                         ctx.DetectEdges(bounds);
                     },
+                comparer: ValidatorComparer,
                 useReferenceOutputFrom: nameof(this.DetectEdges_InBox));
         }
 

tests/ImageSharp.Tests/Processing/Processors/Transforms/ResizeTests.cs

@@ -131,6 +131,7 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Transforms
                         testOutputDetails: workingBufferLimitInRows,
                         appendPixelTypeToFileName: false);
                     image.CompareToReferenceOutput(
+                        ImageComparer.TolerantPercentage(0.001f),
                         provider,
                         testOutputDetails: workingBufferLimitInRows,
                         appendPixelTypeToFileName: false);