diff --git a/src/vs/workbench/test/browser/workbenchTestServices.ts b/src/vs/workbench/test/browser/workbenchTestServices.ts
index 00a7696f69d..df2baa8a161 100644
--- a/src/vs/workbench/test/browser/workbenchTestServices.ts
+++ b/src/vs/workbench/test/browser/workbenchTestServices.ts
@@ -194,7 +194,7 @@ export class TestTextResourceEditor extends TextResourceEditor {
 export class TestTextFileEditor extends TextFileEditor {
 
 	protected override createEditorControl(parent: HTMLElement, configuration: any): void {
-		this.editorControl = this.instantiationService.createInstance(TestCodeEditor, parent, configuration, {});
+		this.editorControl = this.instantiationService.createInstance(TestCodeEditor, parent, configuration, { contributions: [] });
 	}
 
 	setSelection(selection: Selection | undefined, reason: EditorPaneSelectionChangeReason): void {