From b163b7d94db0b1685d3341ae0651977949ff555f Mon Sep 17 00:00:00 2001
From: David Arenas <david.arenas@automattic.com>
Date: Wed, 20 Sep 2023 11:28:09 +0200
Subject: [PATCH] add failing test

---
 test/browser/render.test.js | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/test/browser/render.test.js b/test/browser/render.test.js
index 241e7f7d5f..fdb80eeb81 100644
--- a/test/browser/render.test.js
+++ b/test/browser/render.test.js
@@ -1281,4 +1281,20 @@ describe('render()', () => {
 		render(<div tabindex={null} />, scratch);
 		expect(scratch.firstChild.tabIndex).to.equal(defaultValue);
 	});
+
+	it('should unset role if null || undefined', () => {
+		render(
+			<section>
+				<div role="status">role="status"</div>
+				<div role={undefined}>role="undefined"</div>
+				<div role={null}>role="null"</div>
+			</section>,
+			scratch
+		);
+
+		const divs = scratch.querySelectorAll('div');
+		expect(divs[0].hasAttribute('role')).to.equal(true);
+		expect(divs[1].hasAttribute('role')).to.equal(false);
+		expect(divs[2].hasAttribute('role')).to.equal(false);
+	});
 });