Update ncrunch config.

.ncrunch/Avalonia.UnitTests.v3.ncrunchproject

@@ -0,0 +1,5 @@
+<ProjectConfiguration>
+  <Settings>
+    <XUnit2Enabled>False</XUnit2Enabled>
+  </Settings>
+</ProjectConfiguration>

.ncrunch/GpuInterop.v3.ncrunchproject

@@ -0,0 +1,5 @@
+<ProjectConfiguration>
+  <Settings>
+    <IgnoreThisComponentCompletely>True</IgnoreThisComponentCompletely>
+  </Settings>
+</ProjectConfiguration>

Avalonia.Desktop.slnf

@@ -45,6 +45,7 @@
       "tests\\Avalonia.Base.UnitTests\\Avalonia.Base.UnitTests.csproj",
       "tests\\Avalonia.Benchmarks\\Avalonia.Benchmarks.csproj",
       "tests\\Avalonia.Controls.DataGrid.UnitTests\\Avalonia.Controls.DataGrid.UnitTests.csproj",
+      "tests\\Avalonia.Controls.ItemsRepeater.UnitTests\\Avalonia.Controls.ItemsRepeater.UnitTests.csproj",
       "tests\\Avalonia.Controls.UnitTests\\Avalonia.Controls.UnitTests.csproj",
       "tests\\Avalonia.DesignerSupport.TestApp\\Avalonia.DesignerSupport.TestApp.csproj",
       "tests\\Avalonia.DesignerSupport.Tests\\Avalonia.DesignerSupport.Tests.csproj",