diff --git a/src/vs/workbench/test/node/api/mainThreadDocumentsAndEditors.test.ts b/src/vs/workbench/test/node/api/mainThreadDocumentsAndEditors.test.ts
index 46541870e0c83a16569a57378277fbbd8311f67d..3e67adeabb46245d738232892e79ef58b8edaa53 100644
--- a/src/vs/workbench/test/node/api/mainThreadDocumentsAndEditors.test.ts
+++ b/src/vs/workbench/test/node/api/mainThreadDocumentsAndEditors.test.ts
@@ -73,7 +73,7 @@ suite('MainThreadDocumentsAndEditors', () => {
 		assert.equal(delta.removedEditors, undefined);
 	});
 
-	test('ignore huge model from editor', () => {
+	test('ignore huge model from editor', function () {
 		this.timeout(1000 * 60); // increase timeout for this one test
 
 		const data = new Array(2 + (5 * 1024 * 1024)).join(' ');