try to fix LFS for *.BMP

Author: antonfirsov

.gitattributes

@@ -115,6 +115,7 @@
 *.jpg               filter=lfs diff=lfs merge=lfs -text
 *.jpeg              filter=lfs diff=lfs merge=lfs -text
 *.bmp               filter=lfs diff=lfs merge=lfs -text
+*.BMP               filter=lfs diff=lfs merge=lfs -text
 *.gif               filter=lfs diff=lfs merge=lfs -text
 *.png               filter=lfs diff=lfs merge=lfs -text
 *.tif               filter=lfs diff=lfs merge=lfs -text

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

@@ -598,7 +598,7 @@ public void BmpDecoder_CanDecode_Os2v2Header<TPixel>(TestImageProvider<TPixel> p
             }
         }
 
-        [ConditionalTheory]
+        [Theory]
         [WithFile(Os2BitmapArray, PixelTypes.Rgba32)]
         [WithFile(Os2BitmapArray9s, PixelTypes.Rgba32)]
         [WithFile(Os2BitmapArrayDiamond, PixelTypes.Rgba32)]
@@ -611,11 +611,6 @@ public void BmpDecoder_CanDecode_Os2v2Header<TPixel>(TestImageProvider<TPixel> p
         public void BmpDecoder_CanDecode_Os2BitmapArray<TPixel>(TestImageProvider<TPixel> provider)
             where TPixel : unmanaged, IPixel<TPixel>
         {
-            if (TestEnvironment.IsLinux)
-            {
-                throw new SkipTestException("See discussion on https://github.com/SixLabors/ImageSharp/pull/2890");
-            }
-
             using (Image<TPixel> image = provider.GetImage(BmpDecoder))
             {
                 image.DebugSave(provider);