Fix build.

src/AddIns/DisplayBindings/XmlEditor/Test/Utils/MockWorkbench.cs

@@ -127,7 +127,7 @@ namespace XmlEditor.Tests.Utils
 			}
 		}
 		
-		public object ActiveContent {
+		public IServiceProvider ActiveContent {
 			get {
 				throw new NotImplementedException();
 			}

src/AddIns/DisplayBindings/XmlEditor/Test/XPath/SingleXPathQueryElementMarkedTestFixture.cs

@@ -37,7 +37,7 @@ namespace XmlEditor.Tests.XPath
 			markers = new List<ITextMarker>(service.TextMarkers);
 			
 			// Remove markers.
-			xpathNodeMarker.RemoveMarkers();
+			XPathNodeTextMarker.RemoveMarkers(doc);
 			markersAfterRemove = new List<ITextMarker>(service.TextMarkers);
 			
 			xpathNodeTextMarker = markers[0];