chromium/src/third_party/blink/web_tests/http/tests/fetch/chromium/keepalive-same-origin.html - manifest_repos/chromium_src - Git at Google

 <!doctype html>
 <html>
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 <script>
 promise_test((t) => {
     const mode = 'same-origin';
     const keepalive = true;
     const headers = {'foo': 'bar'};
     return fetch('/', {mode, headers, keepalive});
   }, 'keepalive: non-simple request works with "same-origin" mode');
 </script>
 </html>
	<!doctype html>
	<html>
	<script src="/resources/testharness.js"></script>
	<script src="/resources/testharnessreport.js"></script>
	<script>
	promise_test((t) => {
	const mode = 'same-origin';
	const keepalive = true;
	const headers = {'foo': 'bar'};
	return fetch('/', {mode, headers, keepalive});
	}, 'keepalive: non-simple request works with "same-origin" mode');
	</script>
	</html>