Update reference images of the regression tests

Mapsui.sln

@@ -23,10 +23,10 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Scripts", "Scripts", "{B2DB
 		Scripts\buildpack.bat = Scripts\buildpack.bat
 		Scripts\BuildSamplesDocumentation.ps1 = Scripts\BuildSamplesDocumentation.ps1
 		Scripts\BuildSamplesWebsite.ps1 = Scripts\BuildSamplesWebsite.ps1
+		Scripts\CopyGeneratedImagesOverOriginalImages.ps1 = Scripts\CopyGeneratedImagesOverOriginalImages.ps1
 		Scripts\InstallDependencies.cmd = Scripts\InstallDependencies.cmd
 		Scripts\NugetRestore.cmd = Scripts\NugetRestore.cmd
 		Scripts\SamplesMapsuiNugetReferences.ps1 = Scripts\SamplesMapsuiNugetReferences.ps1
-		Scripts\test-image-copier.cmd = Scripts\test-image-copier.cmd
 	EndProjectSection
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{45FC7141-9D40-43F2-8EE2-2BF3B37F7557}"

Scripts/CopyGeneratedImagesOverOriginalImages.ps1

@@ -0,0 +1,6 @@
+# Run this cmd from the sln folder to copy all generated images over the originals. 
+# Only do this if you have checked that the generated images are correct.
+# Also search the documentation for: rendering tests
+
+Copy-Item -Path ".\Tests\Mapsui.Rendering.Skia.Tests\bin\Debug\net8.0\Resources\Images\GeneratedTest\*" -Destination ".\Tests\Mapsui.Rendering.Skia.Tests\Resources\Images\OriginalTest" -Force
+Copy-Item -Path ".\Tests\Mapsui.Rendering.Skia.Tests\bin\Debug\net8.0\Resources\Images\GeneratedRegression\*" -Destination ".\Tests\Mapsui.Rendering.Skia.Tests\Resources\Images\OriginalRegression" -Force

Tests/Mapsui.Rendering.Skia.Tests/MapRegressionTests.cs

@@ -15,6 +15,7 @@
 using Mapsui.Samples.Common.Extensions;
 using Mapsui.Samples.Common.Maps.Animations;
 using Mapsui.Samples.Common.Maps.DataFormats;
+using Mapsui.Samples.Common.Maps.Special;
 using Mapsui.Samples.Common.PersistentCaches;
 using Mapsui.Samples.CustomWidget;
 using Mapsui.Tiling;
@@ -60,7 +61,7 @@ public MapRegressionTests()
             .All(e => e.GetType() != f.GetType())).OrderBy(f => f.GetType().FullName),
     ];
 
-    public static object[] ExcludedSamples => _excludedSamples ??= [new AnimatedPointsSample()];
+    public static object[] ExcludedSamples => _excludedSamples ??= [new AnimatedPointsSample(), new MutatingTriangleSample()];
 
     [Test]
     [Retry(5)]
@@ -131,7 +132,7 @@ public static async Task TestSampleAsync(ISampleBase sample, bool compareImages)
                     }
                     else
                     {
-                        ClassicAssert.IsTrue(MapRendererTests.CompareBitmaps(originalStream, bitmap, 1, 0.99));
+                        ClassicAssert.IsTrue(MapRendererTests.CompareBitmaps(originalStream, bitmap, 1, 0.995));
                     }
                 }
                 else