third_party/blink/web_tests/external/wpt/keyboard-map/navigator-keyboard-map-two-sequential-requests.https.html - chromium/src - Git at Google

 <!DOCTYPE html>
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 <script>
 'use strict';

 promise_test(() => {
   return navigator.keyboard.getLayoutMap()
       .then(() => {
         return navigator.keyboard.getLayoutMap();
       });
 }, '[Keyboard Map] getLayoutMap() called twice sequentially');

 </script>
	<!DOCTYPE html>
	<script src="/resources/testharness.js"></script>
	<script src="/resources/testharnessreport.js"></script>
	<script>
	'use strict';

	promise_test(() => {
	return navigator.keyboard.getLayoutMap()
	.then(() => {
	return navigator.keyboard.getLayoutMap();
	});
	}, '[Keyboard Map] getLayoutMap() called twice sequentially');

	</script>