Updated unit test due to changes in ImageMagick.

Author: dlemstra

tests/Magick.NET.Tests/MagickImageTests/TheCompareMethod.cs

@@ -168,7 +168,7 @@ public void ShouldUseTheColorFuzz()
         [InlineData(ErrorMetric.MeanSquared, 0.2233)]
         [InlineData(ErrorMetric.NormalizedCrossCorrelation, 0.0682)]
         [InlineData(ErrorMetric.PeakAbsolute, 1)]
-        [InlineData(ErrorMetric.PeakSignalToNoiseRatio, 0.1441)]
+        [InlineData(ErrorMetric.PeakSignalToNoiseRatio, -0.1351)]
         [InlineData(ErrorMetric.PerceptualHash, 0)]
         [InlineData(ErrorMetric.RootMeanSquared, 0.4726)]
         [InlineData(ErrorMetric.StructuralSimilarity, 0.4220)]
@@ -181,7 +181,10 @@ public void ShouldReturnTheCorrectValueForEachErrorMetric(ErrorMetric errorMetri
             using var other = image.CloneAndMutate(image => image.Rotate(180));
 
             var result = image.Compare(other, errorMetric);
-            Assert.InRange(result, expectedResult, expectedResult + 0.0001);
+            if (expectedResult < 0)
+                Assert.InRange(result, expectedResult - 0.0001, expectedResult);
+            else
+                Assert.InRange(result, expectedResult, expectedResult + 0.0001);
         }
     }
 }