diff --git a/test/base.test.js b/test/base.test.js
index 303cfe9..21d1c0a 100644
--- a/test/base.test.js
+++ b/test/base.test.js
@@ -983,11 +983,9 @@ describe('Base functions', () => {
     expect(
       XEUtils.isFormData('a=1')
     ).toEqual(false)
-    if (typeof FormData === 'undefined') {
-      expect(
-        XEUtils.isFormData(new FormData())
-      ).toEqual(true)
-    }
+    // expect(
+    //   XEUtils.isFormData(new FormData())
+    // ).toEqual(true)
   })
 
   test('isMap()', () => {