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 afe8bffdbd1..9211b98fc1d 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
@@ -47,7 +47,7 @@ suite('Notebook Editor', function () {
 	});
 
 
-	test.skip('showNotebookDocment', async function () {
+	test('showNotebookDocment', async function () {
 
 		const count1 = vscode.notebook.notebookDocuments.length;
 
diff --git a/extensions/vscode-api-tests/src/utils.ts b/extensions/vscode-api-tests/src/utils.ts
index 8d94c8ea120..a36b7549626 100644
--- a/extensions/vscode-api-tests/src/utils.ts
+++ b/extensions/vscode-api-tests/src/utils.ts
@@ -122,7 +122,7 @@ export function assertNoRpcFromEntry(entry: [obj: any, name: string]) {
 	assert.strictEqual(proxyPaths.length, 0, proxyPaths.join('\n')); // happens...
 }
 
-export async function asPromise<T>(event: vscode.Event<T>, timeout = 5000): Promise<T> {
+export async function asPromise<T>(event: vscode.Event<T>, timeout = vscode.env.uiKind === vscode.UIKind.Desktop ? 5000 : 15000): Promise<T> {
 	return new Promise<T>((resolve, reject) => {
 
 		const handle = setTimeout(() => {