fix(test): call Threading.Dispatcher.UIThread.RunJobs();

tests/Avalonia.Controls.UnitTests/ListBoxTests.cs

@@ -431,6 +431,8 @@ namespace Avalonia.Controls.UnitTests
                 items.Remove("1");
                 lm.ExecuteLayoutPass();
 
+                Threading.Dispatcher.UIThread.RunJobs();
+
                 Assert.Equal("30", target.ContainerFromIndex(items.Count - 1).DataContext);
                 Assert.Equal("29", target.ContainerFromIndex(items.Count - 2).DataContext);
                 Assert.Equal("28", target.ContainerFromIndex(items.Count - 3).DataContext);
@@ -456,8 +458,13 @@ namespace Avalonia.Controls.UnitTests
 
                 Prepare(target);
 
+                Threading.Dispatcher.UIThread.RunJobs();
+
                 // First an item that is not index 0 must be selected.
                 _mouse.Click(target.Presenter.Panel.Children[1]);
+
+                Threading.Dispatcher.UIThread.RunJobs();
+
                 Assert.Equal(1, target.Selection.AnchorIndex);
 
                 // We're going to be clicking on item 9.
@@ -470,6 +477,7 @@ namespace Avalonia.Controls.UnitTests
                 // into view due to SelectionMode.AlwaysSelected.
                 target.AddHandler(Control.RequestBringIntoViewEvent, (s, e) =>
                 {
+
                     Assert.Same(item, e.TargetObject);
                     ++raised;
                 });
@@ -477,6 +485,8 @@ namespace Avalonia.Controls.UnitTests
                 // Click item 9.
                 _mouse.Click(item);
 
+                Threading.Dispatcher.UIThread.RunJobs();
+
                 Assert.Equal(1, raised);
             }
         }
@@ -743,6 +753,8 @@ namespace Avalonia.Controls.UnitTests
             items.Reverse();
             Layout(target);
 
+            Threading.Dispatcher.UIThread.RunJobs();
+
             realized = target.GetRealizedContainers()
                 .Cast<ListBoxItem>()
                 .Select(x => (string)x.DataContext)

tests/Avalonia.Controls.UnitTests/Primitives/SelectingItemsControlTests.cs

@@ -1536,7 +1536,7 @@ namespace Avalonia.Controls.UnitTests.Primitives
             Prepare(target);
             target.AddHandler(Control.RequestBringIntoViewEvent, (s, e) => raised = true);
             target.SelectedIndex = 2;
-
+            Threading.Dispatcher.UIThread.RunJobs();
             Assert.True(raised);
         }
 
@@ -1561,7 +1561,7 @@ namespace Avalonia.Controls.UnitTests.Primitives
             target.AddHandler(Control.RequestBringIntoViewEvent, (s, e) => raised = true);
             target.SelectedIndex = 2;
             Prepare(target);
-
+            Threading.Dispatcher.UIThread.RunJobs();
             Assert.True(raised);
         }
 
@@ -1632,7 +1632,7 @@ namespace Avalonia.Controls.UnitTests.Primitives
             root.Child = null;
             target.SelectedIndex = 1;
             root.Child = target;
-
+            Threading.Dispatcher.UIThread.RunJobs();
             Assert.True(raised);
         }
 
@@ -1689,11 +1689,11 @@ namespace Avalonia.Controls.UnitTests.Primitives
             var raised = false;
             target.AddHandler(Control.RequestBringIntoViewEvent, (s, e) => raised = true);
             target.SelectedIndex = 2;
-
+            Threading.Dispatcher.UIThread.RunJobs();
             Assert.False(raised);
 
             target.AutoScrollToSelectedItem = true;
-
+            Threading.Dispatcher.UIThread.RunJobs();
             Assert.True(raised);
         }