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diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/textures/misc/texture-fakeblack.html b/dom/canvas/test/webgl-conf/checkout/conformance/textures/misc/texture-fakeblack.html
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@@ -0,0 +1,94 @@
+<!--
+Copyright (c) 2019 The Khronos Group Inc.
+Use of this source code is governed by an MIT-style license that can be
+found in the LICENSE.txt file.
+-->
+
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>Tests if fake black textures are corectly implemented on desktops</title>
+<link rel="stylesheet" href="../../../resources/js-test-style.css"/>
+<script src="../../../js/js-test-pre.js"></script>
+<script src="../../../js/webgl-test-utils.js"></script>
+</head>
+<body>
+<canvas id="example" width="24" height="24"></canvas>
+<div id="description"></div>
+<div id="console"></div>
+<script>
+"use strict";
+
+function createTexture(gl,r,g,b,a) {
+    // setup render target texture //
+
+    var texture = gl.createTexture();
+    gl.bindTexture(gl.TEXTURE_2D, texture);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
+    gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 3, 3, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
+    gl.bindTexture(gl.TEXTURE_2D, null);
+
+    // setup framebuffer //
+    var fbo = gl.createFramebuffer();
+    gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
+    gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, texture, 0);
+    gl.bindFramebuffer(gl.FRAMEBUFFER, null);
+
+    // fill the framebuffer //
+    gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
+    gl.clearColor(r, g, b, a);
+    gl.clear(gl.COLOR_BUFFER_BIT);
+    gl.bindFramebuffer(gl.FRAMEBUFFER, null);
+
+    gl.deleteFramebuffer(fbo);
+
+    return texture;
+}
+
+function init() {
+    /*
+     * This test has been written due to a bug found in firefox's code
+     * and fixed in the following patch :
+     * https://bugzilla.mozilla.org/show_bug.cgi?id=879952#c5
+     */
+    var wtu = WebGLTestUtils;
+    description();
+
+    var gl = wtu.create3DContext("example");
+    var program = wtu.setupTexturedQuad(gl);
+
+    var texture0 = createTexture(gl,1,0,0,1);
+    var texture1 = createTexture(gl,0,1,0,1);
+
+    gl.bindTexture(gl.TEXTURE_2D, texture0);
+    gl.drawArrays(gl.TRIANGLES, 0, 6);
+    wtu.checkCanvas(gl, [255, 0, 0, 255]);
+
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT);
+    gl.drawArrays(gl.TRIANGLES, 0, 6);
+    wtu.checkCanvas(gl, [0, 0, 0, 255]);
+
+    gl.bindTexture(gl.TEXTURE_2D, texture1);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
+    gl.drawArrays(gl.TRIANGLES, 0, 6);
+    wtu.checkCanvas(gl, [0, 255, 0, 255]);
+
+    gl.bindTexture(gl.TEXTURE_2D, texture0);
+    gl.drawArrays(gl.TRIANGLES, 0, 6);
+    wtu.checkCanvas(gl, [0, 0, 0, 255]);
+}
+
+init();
+var successfullyParsed = true;
+</script>
+<script src="../../../js/js-test-post.js"></script>
+
+</body>
+</html>
+