Fix non-compiling tests.

tests/Perspex.Interactivity.UnitTests/InteractiveTests.cs

@@ -385,6 +385,7 @@ namespace Perspex.Interactivity.UnitTests
         private class TestInteractive : Interactive
         {
             public bool ClassHandlerInvoked { get; private set; }
+            public string Name { get; set; }
 
             public IEnumerable<IVisual> Children
             {

tests/Perspex.Styling.UnitTests/SelectorTests_Child.cs

@@ -80,6 +80,8 @@ namespace Perspex.Styling.UnitTests
             }
 
             public event EventHandler<PerspexPropertyChangedEventArgs> PropertyChanged;
+            public event EventHandler<LogicalTreeAttachmentEventArgs> AttachedToLogicalTree;
+            public event EventHandler<LogicalTreeAttachmentEventArgs> DetachedFromLogicalTree;
 
             public Classes Classes { get; }
 

tests/Perspex.Styling.UnitTests/SelectorTests_Descendent.cs

@@ -111,6 +111,8 @@ namespace Perspex.Styling.UnitTests
             }
 
             public event EventHandler<PerspexPropertyChangedEventArgs> PropertyChanged;
+            public event EventHandler<LogicalTreeAttachmentEventArgs> AttachedToLogicalTree;
+            public event EventHandler<LogicalTreeAttachmentEventArgs> DetachedFromLogicalTree;
 
             public Classes Classes { get; }