diff --git a/src/vs/workbench/services/progress/test/progressService.test.ts b/src/vs/workbench/services/progress/test/progressService.test.ts
index d604681b2a7c6d63504fdf9a9056b42393e16805..9a4a2dd281bf8f6bf2d22d701fbd2d1fd719dfb4 100644
--- a/src/vs/workbench/services/progress/test/progressService.test.ts
+++ b/src/vs/workbench/services/progress/test/progressService.test.ts
@@ -107,6 +107,13 @@ class TestViewlet implements IViewlet {
 		return [];
 	}
 
+	/**
+	 * Returns an array of actions to show in the context menu of the composite
+	 */
+	public getContextMenuActions(): IAction[] {
+		return [];
+	}
+
 	/**
 	 * Returns the action item for a specific action.
 	 */