mozilla-release/testing/web-platform/tests/geolocation-API/getCurrentPosition_permission-manual.html

<!DOCTYPE HTML>
<meta charset='utf-8'>
<title>Call getCurrentPosition, check that there is UI appearing with the document host</title>
<link rel='help' href='http://www.w3.org/TR/geolocation-API/#privacy_for_uas'>

<p>Clear all Geolocation permissions before running this test.</p>

<p>Test passes if there is a permission prompt including the host <strong id='host'></strong> and no FAIL.</p>
<div id='log'></div>

<script>
// Rewrite http://dev.w3.org/geo/api/test-suite/t.html?00018
try {
  var dummyFunction = function() {};
  window.navigator.geolocation.getCurrentPosition(dummyFunction, dummyFunction);

  document.getElementById('host').innerHTML = window.location.hostname;
} catch (e) {
  document.getElementById('log').innerHTML = 'FAIL: an exception was thrown unexpectedly: ' + e.message;
}
</script>