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diff --git a/testing/web-platform/tests/2dcontext/fill-and-stroke-styles/2d.pattern.animated.gif.html b/testing/web-platform/tests/2dcontext/fill-and-stroke-styles/2d.pattern.animated.gif.html
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+++ b/testing/web-platform/tests/2dcontext/fill-and-stroke-styles/2d.pattern.animated.gif.html
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+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by tools/gentest.py. -->
+<title>Canvas test: 2d.pattern.animated.gif</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/canvas-tests.js"></script>
+<link rel="stylesheet" href="/common/canvas-tests.css">
+<body class="show_output">
+
+<h1>2d.pattern.animated.gif</h1>
+<p class="desc">createPattern() of an animated GIF draws the first frame</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+<p class="output expectedtext">Expected output:<p><img src="/images/green-100x50.png" class="output expected" id="expected" alt="">
+<ul id="d"></ul>
+<script>
+var t = async_test("createPattern() of an animated GIF draws the first frame");
+_addTest(function(canvas, ctx) {
+
+deferTest();
+setTimeout(function () {
+    var pattern = ctx.createPattern(document.getElementById('anim-gr.gif'), 'repeat');
+    ctx.fillStyle = pattern;
+    ctx.fillRect(0, 0, 50, 50);
+    setTimeout(t.step_func_done(function () {
+        ctx.fillRect(50, 0, 50, 50);
+        _assertPixelApprox(canvas, 25,25, 0,255,0,255, "25,25", "0,255,0,255", 2);
+        _assertPixelApprox(canvas, 75,25, 0,255,0,255, "75,25", "0,255,0,255", 2);
+    }), 250);
+}, 250);
+
+
+});
+</script>
+<img src="/images/anim-gr.gif" id="anim-gr.gif" class="resource">
+