1 files changed, 12 insertions, 6 deletions
diff --git a/testing/web-platform/tests/html/canvas/tools/templates/testharness_offscreen.html b/testing/web-platform/tests/html/canvas/tools/templates/testharness_offscreen.html
index 8ebbff77a6..68147680e1 100644
--- a/testing/web-platform/tests/html/canvas/tools/templates/testharness_offscreen.html
+++ b/testing/web-platform/tests/html/canvas/tools/templates/testharness_offscreen.html
@@ -15,6 +15,11 @@
 {#- Promise vs. async test header: +#}
 {% if test_type == 'promise' %}
 promise_test(async t => {
+
+{% elif test_type == 'async' %}
+async_test(t => {
+{% elif test_type == 'sync' %}
+test(t => {
 {% else %}
 var t = async_test("{{ desc | double_quote_escape }}");
 var t_pass = t.done.bind(t);
@@ -22,22 +27,23 @@ var t_fail = t.step_func(function(reason) {
     throw reason;
 });
 t.step(function() {
+
 {% endif %}
 
-{# Test body: #}
+{#- Test body: #}
   var canvas = new OffscreenCanvas({{ size[0] }}, {{ size[1] }});
   var ctx = canvas.getContext('2d'{% if attributes %}, {{ attributes }}{% endif %});
 
-  {{ code | trim | indent(2)}}
+  {{ code_offscreen | trim | indent(2)}}
 
 {#- Promise vs. async test footer: +#}
-{% if test_type == 'promise' %}
-
-}, "{{ desc }}");
-{% else %}
+{% if not test_type %}
   t.done();
 
 });
+{% else %}
+
+}, "{{ desc | double_quote_escape }}");
 {% endif %}
 </script>
 {% for svgimage in svgimages %}