diff --git a/ui/src/ui/config-form.browser.test.ts b/ui/src/ui/config-form.browser.test.ts
index 92600faf699..c9283bc83ad 100644
--- a/ui/src/ui/config-form.browser.test.ts
+++ b/ui/src/ui/config-form.browser.test.ts
@@ -35,8 +35,8 @@ const rootSchema = {
 const rootAnalysis = analyzeConfigSchema(rootSchema);
 
 function expectElement<T extends Element>(element: T | null | undefined, label: string): T {
-  expect(element, label).toEqual(expect.any(Element));
-  if (!element) {
+  expect(element instanceof Element, label).toBe(true);
+  if (!(element instanceof Element)) {
     throw new Error(`missing ${label}`);
   }
   return element;