Bug 1504042 [wpt PR 13841] - Fetch: Access-Control-Allow-Credentials parsing, a=testonly

Automatic update from web-platform-testsFetch: Access-Control-Allow-Credentials parsing

For https://github.com/whatwg/fetch/pull/824.

--

wpt-commits: 43452a39a63658cd6cbaaefcc3d7056e21a18db5
wpt-pr: 13841

testing/web-platform/tests/cors/credentials-flag.htm

@@ -122,8 +122,13 @@ function test_response_header(allow) {
 test_response_header('TRUE')
 test_response_header('True')
 test_response_header('"true"')
+test_response_header("'true'");
 test_response_header('false')
 test_response_header('1')
 test_response_header('0')
+test_response_header(',true');
+test_response_header('true,');
+test_response_header('true%0B');
+test_response_header('true%0C');
 
 </script>