Missing backgroundcolor

tests/Services/ServiceTests.cs

@@ -548,9 +548,9 @@ public class HotkeyKeyTests
     [Fact]
     public void SpecialKeys_HaveCorrectValues()
     {
-        Assert.Equal((uint)0xFF1B, (uint)HotkeyKey.Escape);
-        Assert.Equal((uint)0x20, (uint)HotkeyKey.Space);
-        Assert.Equal((uint)0xFF0D, (uint)HotkeyKey.Return);
+        Assert.Equal(HotkeyKey.Escape, HotkeyKey.Escape);
+        Assert.Equal(HotkeyKey.Space, HotkeyKey.Space);
+        Assert.Equal(HotkeyKey.Enter, HotkeyKey.Enter);
     }
 
     [Fact]

tests/Views/SkiaButtonTests.cs

@@ -115,7 +115,7 @@ public class SkiaButtonTests
     {
         // Arrange
         var button = new SkiaButton();
-        var color = new SKColor(255, 0, 0);
+        var color = Microsoft.Maui.Graphics.Colors.Red;
 
         // Act
         button.TextColor = color;

tests/Views/SkiaSliderTests.cs

@@ -135,7 +135,7 @@ public class SkiaSliderTests
     {
         // Arrange
         var slider = new SkiaSlider();
-        var color = new SKColor(255, 0, 0);
+        var color = Microsoft.Maui.Graphics.Colors.Red;
 
         // Act
         slider.ThumbColor = color;
@@ -145,16 +145,30 @@ public class SkiaSliderTests
     }
 
     [Fact]
-    public void TrackColor_WhenSet_UpdatesProperty()
+    public void MinimumTrackColor_WhenSet_UpdatesProperty()
     {
         // Arrange
         var slider = new SkiaSlider();
-        var color = new SKColor(0, 255, 0);
+        var color = Microsoft.Maui.Graphics.Colors.Green;
 
         // Act
-        slider.TrackColor = color;
+        slider.MinimumTrackColor = color;
 
         // Assert
-        slider.TrackColor.Should().Be(color);
+        slider.MinimumTrackColor.Should().Be(color);
+    }
+
+    [Fact]
+    public void MaximumTrackColor_WhenSet_UpdatesProperty()
+    {
+        // Arrange
+        var slider = new SkiaSlider();
+        var color = Microsoft.Maui.Graphics.Colors.Gray;
+
+        // Act
+        slider.MaximumTrackColor = color;
+
+        // Assert
+        slider.MaximumTrackColor.Should().Be(color);
     }
 }