diff --git a/extensions/vscode-api-tests/src/singlefolder-tests/notebook.editor.test.ts b/extensions/vscode-api-tests/src/singlefolder-tests/notebook.editor.test.ts
index 9fccde765f9..fb6282084d8 100644
--- a/extensions/vscode-api-tests/src/singlefolder-tests/notebook.editor.test.ts
+++ b/extensions/vscode-api-tests/src/singlefolder-tests/notebook.editor.test.ts
@@ -67,4 +67,12 @@ suite('Notebook Editor', function () {
 		assert.strictEqual(count1 + 1, count2);
 
 	});
+
+	test('Opening a notebook should fire activeNotebook event changed only once', async function () {
+		const openedEditor = utils.asPromise(vscode.window.onDidChangeActiveNotebookEditor);
+		const resource = await utils.createRandomFile(undefined, undefined, '.vsctestnb');
+		const editor = await vscode.window.showNotebookDocument(resource);
+		assert.ok(await openedEditor);
+		assert.strictEqual(editor.document.uri.toString(), resource.toString());
+	});
 });
diff --git a/extensions/vscode-api-tests/src/singlefolder-tests/notebook.test.ts b/extensions/vscode-api-tests/src/singlefolder-tests/notebook.test.ts
index 01c682f5678..72e771489bc 100644
--- a/extensions/vscode-api-tests/src/singlefolder-tests/notebook.test.ts
+++ b/extensions/vscode-api-tests/src/singlefolder-tests/notebook.test.ts
@@ -1132,12 +1132,8 @@ suite('Notebook API tests', function () {
 		assert.strictEqual(document.cells[0].metadata.executionOrder, executionOrder);
 		assert.strictEqual(document.cells[0].metadata.runState, vscode.NotebookCellRunState.Success);
 	});
-	test('Opening a notebook should fire activeNotebook event changed only once', async function () {
-		const openedEditor = asPromise(vscode.window.onDidChangeActiveNotebookEditor);
-		const resource = await createRandomFile('', undefined, '.vsctestnb');
-		await vscode.notebook.openNotebookDocument(resource);
-		assert.ok(await openedEditor);
-	});
+
+
 
 	// });