remove unit tests, skia and direct2d behave differently and making them match is beyond the scope of this bug fix.

src/Windows/Avalonia.Direct2D1/Media/FormattedTextImpl.cs

@@ -72,7 +72,7 @@ namespace Avalonia.Direct2D1.Media
 
             return new TextHitTestResult
             {
-                IsInside = result.Width == 0 ? false : (bool)isInside,
+                IsInside = isInside,
                 TextPosition = result.TextPosition,
                 IsTrailing = isTrailingHit,
             };

tests/Avalonia.RenderTests/Media/FormattedTextImplTests.cs

@@ -157,7 +157,6 @@ namespace Avalonia.Direct2D1.RenderTests.Media
         [InlineData(stringmiddle3lines, 500, 13, false, false, 8)]
         [InlineData(stringmiddle3lines, 30, 25, false, false, 9)]
         [InlineData(stringmiddle3lines, -1, 30, false, false, 10)]
-        [InlineData("", 0, 0, false, false, 0)]
         public void Should_HitTestPoint_Correctly(string input,
                                     double x, double y,
                                     bool isInside, bool isTrailing, int pos)