import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

layout/reftests/svg/dynamic-text-05.svg

@@ -0,0 +1,20 @@
+<!--
+     Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/
+-->
+<svg xmlns="http://www.w3.org/2000/svg" class="reftest-wait">
+
+  <title>Testcase for text removal</title>
+
+  <script>
+    document.addEventListener("MozReftestInvalidate", doTest, false);
+    setTimeout(doTest, 4000); // fallback for running outside reftest
+
+    function doTest() {
+      document.getElementById("text").firstChild.nodeValue='';
+      document.documentElement.removeAttribute("class");
+    }
+  </script>
+  <rect width="100%" height="100%" fill="lime"/>
+  <text id="text" font-size="32" x="40" y="40">SHOULD NOT SEE ME</text>
+</svg>