diff --git a/test/smoke/src/areas/notebook/notebook.test.ts b/test/smoke/src/areas/notebook/notebook.test.ts
index 4e946ffcbe1..bf037e68594 100644
--- a/test/smoke/src/areas/notebook/notebook.test.ts
+++ b/test/smoke/src/areas/notebook/notebook.test.ts
@@ -48,7 +48,7 @@ export function setup() {
 			const app = this.app as Application;
 			await app.workbench.notebook.openNotebook();
 			await app.workbench.notebook.insertNotebookCell('code');
-			await app.workbench.notebook.waitForActiveCellEditorContents(' ');
+			await app.workbench.notebook.waitForActiveCellEditorContents('');
 			await app.workbench.notebook.stopEditingCell();
 			await app.workbench.notebook.deleteActiveCell();
 			await app.workbench.notebook.waitForMarkdownContents('p', 'Markdown Cell');