Add test files

tests/ImageSharp.Tests/TestImages.cs

@@ -675,17 +675,21 @@ namespace SixLabors.ImageSharp.Tests
 
         public static class BigTiff
         {
-            public const string BasePath = "Tiff/BigTiff/";
+            public const string Base = "Tiff/BigTiff/";
 
-            public const string BigTIFF = BasePath + "BigTIFF.tif";
-            public const string BigTIFFLong = BasePath + "BigTIFFLong.tif";
-            public const string BigTIFFLong8 = BasePath + "BigTIFFLong8.tif";
-            public const string BigTIFFLong8Tiles = BasePath + "BigTIFFLong8Tiles.tif";
-            public const string BigTIFFMotorola = BasePath + "BigTIFFMotorola.tif";
-            public const string BigTIFFMotorolaLongStrips = BasePath + "BigTIFFMotorolaLongStrips.tif";
+            public const string BigTIFF = Base + "BigTIFF.tif";
+            public const string BigTIFFLong = Base + "BigTIFFLong.tif";
+            public const string BigTIFFLong8 = Base + "BigTIFFLong8.tif";
+            public const string BigTIFFLong8Tiles = Base + "BigTIFFLong8Tiles.tif";
+            public const string BigTIFFMotorola = Base + "BigTIFFMotorola.tif";
+            public const string BigTIFFMotorolaLongStrips = Base + "BigTIFFMotorolaLongStrips.tif";
 
-            public const string BigTIFFSubIFD4 = BasePath + "BigTIFFSubIFD4.tif";
-            public const string BigTIFFSubIFD8 = BasePath + "BigTIFFSubIFD8.tif";
+            public const string BigTIFFSubIFD4 = Base + "BigTIFFSubIFD4.tif";
+            public const string BigTIFFSubIFD8 = Base + "BigTIFFSubIFD8.tif";
+
+            public const string Indexed4_Deflate = Base + "BigTIFF_Indexed4_Deflate.tif";
+            public const string Indexed8_LZW = Base + "BigTIFF_Indexed8_LZW.tif";
+            public const string RLE = Base + "BigTIFF_RLE.tif";
         }
     }
 }

tests/Images/Input/Tiff/BigTiff/BigTIFF_Indexed4_Deflate.tif

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:38ba3717b284d7914243609576d0f9b75d732692bf05e2e1ec8b119feb1409fd
+size 687

tests/Images/Input/Tiff/BigTiff/BigTIFF_Indexed8_LZW.tif

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ca404b3ec5560b82169855f0ae69e64c6bc7286117b95fc0e0d505e5e356fa0e
+size 2548

tests/Images/Input/Tiff/BigTiff/BigTIFF_RLE.tif

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:038a298bcace02810054af650f490b6858863c8755e41b786605aa807b43350a
+size 509