cleanup ImmediateRenderer tests

tests/Avalonia.Visuals.UnitTests/Rendering/ImmediateRendererTests.cs

@@ -15,16 +15,13 @@ namespace Avalonia.Visuals.UnitTests.Rendering
         public void AddDirty_Call_RenderRoot_Invalidate()
         {
             var visual = new Mock<Visual>();
-            var child = new Mock<Visual>();
+            var child = new Mock<Visual>() { CallBase = true };
             var renderRoot = visual.As<IRenderRoot>();
 
             visual.As<IVisual>().Setup(v => v.Bounds).Returns(new Rect(0, 0, 400, 400));
 
             child.As<IVisual>().Setup(v => v.Bounds).Returns(new Rect(10, 10, 100, 100));
             child.As<IVisual>().Setup(v => v.VisualParent).Returns(visual.Object);
-            child.As<IVisual>().Setup(v => v.RenderTransform).Returns(default(Transform));
-            child.As<IVisual>().Setup(v => v.RenderTransformOrigin).Returns(new RelativePoint(0.5, 0.5, RelativeUnit.Relative));
-            child.As<IVisual>().Setup(v => v.TransformToVisual(It.IsAny<IVisual>())).CallBase();
 
             var target = new ImmediateRenderer(visual.Object);
 
@@ -37,16 +34,14 @@ namespace Avalonia.Visuals.UnitTests.Rendering
         public void AddDirty_With_RenderTransform_Call_RenderRoot_Invalidate()
         {
             var visual = new Mock<Visual>();
-            var child = new Mock<Visual>();
+            var child = new Mock<Visual>() { CallBase = true };
             var renderRoot = visual.As<IRenderRoot>();
 
             visual.As<IVisual>().Setup(v => v.Bounds).Returns(new Rect(0, 0, 400, 400));
 
             child.As<IVisual>().Setup(v => v.Bounds).Returns(new Rect(100, 100, 100, 100));
             child.As<IVisual>().Setup(v => v.VisualParent).Returns(visual.Object);
-            child.As<IVisual>().Setup(v => v.RenderTransform).Returns(new ScaleTransform() { ScaleX = 2, ScaleY = 2 });
-            child.As<IVisual>().Setup(v => v.RenderTransformOrigin).Returns(new RelativePoint(0.5, 0.5, RelativeUnit.Relative));
-            child.As<IVisual>().Setup(v => v.TransformToVisual(It.IsAny<IVisual>())).CallBase();
+            child.Object.RenderTransform = new ScaleTransform() { ScaleX = 2, ScaleY = 2 };
 
             var target = new ImmediateRenderer(visual.Object);
 
@@ -58,8 +53,8 @@ namespace Avalonia.Visuals.UnitTests.Rendering
         [Fact]
         public void AddDirty_For_Child_Moved_Should_Invalidate_Previous_Bounds()
         {
-            var visual = new Mock<Visual>();
-            var child = new Mock<Visual>();
+            var visual = new Mock<Visual>() { CallBase = true };
+            var child = new Mock<Visual>() { CallBase = true };
             var renderRoot = visual.As<IRenderRoot>();
             var renderTarget = visual.As<IRenderTarget>();
 
@@ -72,7 +67,6 @@ namespace Avalonia.Visuals.UnitTests.Rendering
             Rect childBounds = new Rect(0, 0, 100, 100);
             child.As<IVisual>().Setup(v => v.Bounds).Returns(() => childBounds);
             child.As<IVisual>().Setup(v => v.VisualParent).Returns(visual.Object);
-            child.As<IVisual>().Setup(v => v.TransformToVisual(It.IsAny<IVisual>())).CallBase();
             child.As<IVisual>().Setup(v => v.VisualChildren).Returns(new AvaloniaList<IVisual>());
 
             var invalidationCalls = new List<Rect>();
@@ -100,14 +94,5 @@ namespace Avalonia.Visuals.UnitTests.Rendering
             //then new position
             Assert.Equal(new Rect(100, 100, 100, 100), invalidationCalls[2]);
         }
-
-        public class TestVisual : Visual
-        {
-            public new Rect Bounds
-            {
-                get => base.Bounds;
-                set => base.Bounds = value;
-            }
-        }
     }
 }