1 files changed, 31 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/execution-timing/091.html b/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/execution-timing/091.html
new file mode 100644
index 0000000000..f706cd31f5
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/scripting-1/the-script-element/execution-timing/091.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<html><head>
+        <title> scheduler: force-async off on non-parser-inserted script</title>
+        <script src="/resources/testharness.js"></script>
+        <script src="/resources/testharnessreport.js"></script>
+        <script src="testlib/testlib.js"></script>
+</head>
+<body>
+
+        <div id="log">FAILED (This TC requires JavaScript enabled)</div>
+
+        <script>
+          var t = async_test();
+
+          sources = ["scripts/include-1.js?pipe=trickle(d2)", "scripts/include-2.js?pipe=trickle(d1)"];
+          sources.forEach(function(x) {
+            var script = document.createElement("script");
+            script.src = x;
+            t.step(function() {assert_equals(script.async, true, "async IDL attribute on script creation")});
+            script.async = false;
+            t.step(function() {assert_equals(script.async, false, "async IDL attribute after setting")});
+            t.step(function() {assert_equals(script.getAttribute("async"), null, "async content attribute after setting")});
+            document.head.appendChild(script);
+          });
+
+          onload = t.step_func(function() {
+            assert_array_equals(eventOrder, ['external script #1', 'external script #2']);
+            t.done();
+          });
+        </script>
+</body></html>