Disable BMP tests -- https://github.com/SixLabors/ImageSharp/issues/3112

tests/ImageSharp.Tests/Formats/Bmp/BmpDecoderTests.cs

@@ -224,8 +224,9 @@ public class BmpDecoderTests
         }
     }
 
+    // RLE8Cut case disabled, see https://github.com/SixLabors/ImageSharp/issues/3112
+    // [WithFile(RLE8Cut, PixelTypes.Rgba32)]
     [Theory]
-    [WithFile(RLE8Cut, PixelTypes.Rgba32)]
     [WithFile(RLE8Delta, PixelTypes.Rgba32)]
     public void BmpDecoder_CanDecode_RunLengthEncoded_8Bit_WithDelta_MagickRefDecoder<TPixel>(TestImageProvider<TPixel> provider)
         where TPixel : unmanaged, IPixel<TPixel>
@@ -236,11 +237,12 @@ public class BmpDecoderTests
         image.CompareToOriginal(provider, MagickReferenceDecoder.Png);
     }
 
+    // RLE8Inverted cases disabled, see https://github.com/SixLabors/ImageSharp/issues/3112.
+    // [WithFile(RLE8Inverted, PixelTypes.Rgba32, false)]
+    // [WithFile(RLE8Inverted, PixelTypes.Rgba32, true)]
     [Theory]
     [WithFile(RLE8, PixelTypes.Rgba32, false)]
-    [WithFile(RLE8Inverted, PixelTypes.Rgba32, false)]
     [WithFile(RLE8, PixelTypes.Rgba32, true)]
-    [WithFile(RLE8Inverted, PixelTypes.Rgba32, true)]
     public void BmpDecoder_CanDecode_RunLengthEncoded_8Bit<TPixel>(TestImageProvider<TPixel> provider, bool enforceDiscontiguousBuffers)
         where TPixel : unmanaged, IPixel<TPixel>
     {