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diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/glsl/misc/shader-with-similar-uniform-array-names.html b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/misc/shader-with-similar-uniform-array-names.html
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+++ b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/misc/shader-with-similar-uniform-array-names.html
@@ -0,0 +1,109 @@
+<!--
+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>GLSL similar names issue</title>
+<link rel="stylesheet" href="../../../resources/js-test-style.css"/>
+<link rel="stylesheet" href="../../../resources/glsl-feature-tests.css"/>
+<script src="../../../js/js-test-pre.js"></script>
+<script src="../../../js/webgl-test-utils.js"> </script>
+
+<script id="vshader" type="x-shader/x-vertex">
+attribute vec4 a_position;
+void main(void) {
+    gl_Position = a_position;
+}
+</script>
+<script id="fshader1" type="x-shader/x-fragment">
+precision mediump float;
+uniform vec4 u_nameCollision[2];
+uniform vec4 u_nameCollision2[2];
+uniform vec4 u_name[2];
+void main(void) {
+    gl_FragColor = u_nameCollision[0] + u_nameCollision2[0] + u_name[0];
+}
+</script>
+<script id="fshader2" type="x-shader/x-fragment">
+precision mediump float;
+uniform vec4 u_nameCollision2[2];
+uniform vec4 u_nameCollision[2];
+uniform vec4 u_name[2];
+void main(void) {
+    gl_FragColor = u_nameCollision2[0] + u_nameCollision[0] + u_name[0];
+}
+</script>
+<script id="fshader3" type="x-shader/x-fragment">
+precision mediump float;
+uniform vec4 u_nameCollision[2];
+uniform vec4 u_name[2];
+uniform vec4 u_nameCollision2[2];
+void main(void) {
+    gl_FragColor = u_nameCollision[0] + u_name[0] + u_nameCollision2[0];
+}
+</script>
+<script id="fshader4" type="x-shader/x-fragment">
+precision mediump float;
+uniform vec4 u_nameCollision2[2];
+uniform vec4 u_name[2];
+uniform vec4 u_nameCollision[2];
+void main(void) {
+    gl_FragColor = u_nameCollision2[0] + u_name[0] + u_nameCollision[0];
+}
+</script>
+<script id="fshader5" type="x-shader/x-fragment">
+precision mediump float;
+uniform vec4 u_name[2];
+uniform vec4 u_nameCollision[2];
+uniform vec4 u_nameCollision2[2];
+void main(void) {
+    gl_FragColor = u_name[0] + u_nameCollision[0] + u_nameCollision2[0];
+}
+</script>
+<script id="fshader6" type="x-shader/x-fragment">
+precision mediump float;
+uniform vec4 u_name[2];
+uniform vec4 u_nameCollision2[2];
+uniform vec4 u_nameCollision[2];
+void main(void) {
+    gl_FragColor = u_name[0] + u_nameCollision2[0] + u_nameCollision[0];
+}
+</script>
+</head>
+<body>
+<canvas id="canvas" width="50" height="50"></canvas>
+<div id="description"></div>
+<div id="console"></div>
+<script>
+"use strict";
+description();
+
+var wtu = WebGLTestUtils;
+var gl = wtu.create3DContext("canvas");
+wtu.setupUnitQuad(gl);
+
+for (var ii = 0; ii < 6; ++ii) {
+  var program = wtu.setupProgram(gl, ["vshader", "fshader" + (ii + 1)], ["a_position"]);
+  var loc1 = gl.getUniformLocation(program, "u_name[0]");
+  var loc2 = gl.getUniformLocation(program, "u_nameCollision[0]");
+  var loc3 = gl.getUniformLocation(program, "u_nameCollision2[0]");
+  gl.uniform4fv(loc1, [1, 0, 0, 0]);
+  gl.uniform4fv(loc2, [0, 1, 0, 0]);
+  gl.uniform4fv(loc3, [0, 0, 0, 1]);
+  wtu.clearAndDrawUnitQuad(gl);
+  wtu.checkCanvas(gl, [255, 255, 0, 255], "Should be yellow");
+}
+
+wtu.glErrorShouldBe(gl, gl.NO_ERROR, "there should be no errors");
+
+var successfullyParsed = true;
+</script>
+<script src="../../../js/js-test-post.js"></script>
+</body>
+</html>
+