diff --git a/src/EditorFeatures/VisualBasicTest/EncapsulateField/EncapsulateFieldTestState.vb b/src/EditorFeatures/VisualBasicTest/EncapsulateField/EncapsulateFieldTestState.vb
index 9c3ebcde2b8cf8d646cc9205d07ac9e762571559..b35fa203088795fc201073396471d6a5e6ab9e08 100644
--- a/src/EditorFeatures/VisualBasicTest/EncapsulateField/EncapsulateFieldTestState.vb
+++ b/src/EditorFeatures/VisualBasicTest/EncapsulateField/EncapsulateFieldTestState.vb
@@ -39,7 +39,7 @@ Namespace Microsoft.CodeAnalysis.Editor.VisualBasic.UnitTests.EncapsulateField
             Dim args = New EncapsulateFieldCommandArgs(_testDocument.GetTextView(), _testDocument.GetTextBuffer())
             Dim commandHandler = New EncapsulateFieldCommandHandler(Workspace.GetService(Of ITextBufferUndoManagerProvider)(),
                                                                     Workspace.ExportProvider.GetExportedValue(Of IAsynchronousOperationListenerProvider))
-            commandHandler.ExecuteCommand(args, Nothing)
+            commandHandler.ExecuteCommand(args, TestCommandExecutionContext.Create())
         End Sub
 
         Public Sub AssertEncapsulateAs(expected As String)