Remove redundant tests

tests/Avalonia.Skia.UnitTests/Media/TextFormatting/TextLineTests.cs

@@ -273,76 +273,6 @@ namespace Avalonia.Skia.UnitTests.Media.TextFormatting
             }
         }
 
-        [Fact]
-        public void TestNext()
-        {
-            using (Start())
-            {
-                var defaultProperties = new GenericTextRunProperties(Typeface.Default);
-
-                var textSource = new SingleBufferTextSource("Text from memory", defaultProperties);
-
-                var formatter = new TextFormatterImpl();
-
-                var textLine =
-                    formatter.FormatLine(textSource, 0, double.PositiveInfinity,
-                        new GenericTextParagraphProperties(defaultProperties));
-
-                var characterHits = new List<CharacterHit>();
-
-                var currentCharacterHit = new CharacterHit(0);
-
-                characterHits.Add(currentCharacterHit);
-
-                var nextCharacterHit = textLine.GetNextCaretCharacterHit(currentCharacterHit);
-
-                while (nextCharacterHit != currentCharacterHit)
-                {
-                    currentCharacterHit = nextCharacterHit;
-
-                    characterHits.Add(currentCharacterHit);
-
-                    nextCharacterHit = textLine.GetNextCaretCharacterHit(currentCharacterHit);
-                }
-            }
-        }
-
-        [Fact]
-        public void TestPrevious()
-        {
-            using (Start())
-            {
-                var defaultProperties = new GenericTextRunProperties(Typeface.Default);
-
-                var text = "Text from memory";
-
-                var textSource = new SingleBufferTextSource(text, defaultProperties);
-
-                var formatter = new TextFormatterImpl();
-
-                var textLine =
-                    formatter.FormatLine(textSource, 0, double.PositiveInfinity,
-                        new GenericTextParagraphProperties(defaultProperties));
-
-                var characterHits = new List<CharacterHit>();
-
-                var currentCharacterHit = new CharacterHit(text.Length);
-
-                characterHits.Add(currentCharacterHit);
-
-                var nextCharacterHit = textLine.GetPreviousCaretCharacterHit(currentCharacterHit);
-
-                while (nextCharacterHit != currentCharacterHit)
-                {
-                    currentCharacterHit = nextCharacterHit;
-
-                    characterHits.Add(currentCharacterHit);
-
-                    nextCharacterHit = textLine.GetPreviousCaretCharacterHit(currentCharacterHit);
-                }
-            }
-        }
-
         private static IDisposable Start()
         {
             var disposable = UnitTestApplication.Start(TestServices.MockPlatformRenderInterface