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diff --git a/testing/web-platform/tests/2dcontext/line-styles/2d.line.join.parallel.html b/testing/web-platform/tests/2dcontext/line-styles/2d.line.join.parallel.html
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index 000000000..2a8956d7e
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+++ b/testing/web-platform/tests/2dcontext/line-styles/2d.line.join.parallel.html
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+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by tools/gentest.py. -->
+<title>Canvas test: 2d.line.join.parallel</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.line.join.parallel</h1>
+<p class="desc">Line joins are drawn at 180-degree joins</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("Line joins are drawn at 180-degree joins");
+_addTest(function(canvas, ctx) {
+
+ctx.fillStyle = '#f00';
+ctx.fillRect(0, 0, 100, 50);
+
+ctx.strokeStyle = '#0f0';
+ctx.lineWidth = 300;
+ctx.lineJoin = 'round';
+ctx.beginPath();
+ctx.moveTo(-100, 25);
+ctx.lineTo(0, 25);
+ctx.lineTo(-100, 25);
+ctx.stroke();
+
+_assertPixel(canvas, 1,1, 0,255,0,255, "1,1", "0,255,0,255");
+_assertPixel(canvas, 48,1, 0,255,0,255, "48,1", "0,255,0,255");
+_assertPixel(canvas, 48,48, 0,255,0,255, "48,48", "0,255,0,255");
+_assertPixel(canvas, 1,48, 0,255,0,255, "1,48", "0,255,0,255");
+
+
+});
+</script>
+