Adding reftest for foreignObject

layout/reftests/svg/foreignObject-01.svg

@@ -0,0 +1,13 @@
+<svg xmlns="http://www.w3.org/2000/svg" version="1.1">
+
+  <title>Testcase for foreignObject</title>
+
+  <!-- From https://bugzilla.mozilla.org/show_bug.cgi?id=367366 -->
+
+  <rect width="100%" height="100%" fill="red"/>
+  <foreignObject width="100%" height="100%">
+    <div xmlns="http://www.w3.org/1999/xhtml"
+         style="background:lime; display:block; width:100%; height:100%;"/>
+  </foreignObject>
+
+</svg>

layout/reftests/svg/reftest.list

@@ -1,4 +1,5 @@
 
+== foreignObject-01.svg pass.svg
 == foreignObject-display-01.svg pass.svg
 == getElementById-a-element-01.svg pass.svg
 == opacity-and-gradient-01.svg pass.svg