Fix test. Proper reference count.

src/VisualStudio/Core/Def/Implementation/Library/FindResults/TreeItems/SourceDefinitionTreeItem.cs

@@ -49,7 +49,7 @@ internal override void SetReferenceCount(int referenceCount)
                 ? ServicesVSResources._1_reference
                 : string.Format(ServicesVSResources._0_references, referenceCount);
 
-            this.DisplayText = CreateDisplayText() + $" ({referenceCount})";
+            this.DisplayText = CreateDisplayText() + $" ({referenceCountDisplay})";
         }
     }
 }
\ No newline at end of file

src/VisualStudio/Core/Test/FindResults/FindResultsTests.vb

@@ -124,7 +124,8 @@ using System.Threading;
         Private Shared ReadOnly s_exportProvider As ExportProvider = MinimalTestExportProvider.CreateExportProvider(
             TestExportProvider.MinimumCatalogWithCSharpAndVisualBasic.WithParts(
                 GetType(MockDocumentNavigationServiceProvider),
-                GetType(MockSymbolNavigationServiceProvider)))
+                GetType(MockSymbolNavigationServiceProvider),
+                GetType(DefaultDefinitionsAndReferencesFactory)))
 
         Private Async Function VerifyAsync(markup As XElement, languageName As String, expectedResults As IList(Of AbstractTreeItem)) As System.Threading.Tasks.Task
             Dim workspaceXml =