WebKit export: CSS animation for SVG rect rx and ry has no effect (#43629)

https://bugs.webkit.org/show_bug.cgi?id=259646
diff --git a/svg/shapes/rect-rx-set-by-css-expected.svg b/svg/shapes/rect-rx-set-by-css-expected.svg
new file mode 100644
index 0000000..2b53158
--- /dev/null
+++ b/svg/shapes/rect-rx-set-by-css-expected.svg
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100">
+  <rect width="100" height="100" rx="40" />
+</svg>
diff --git a/svg/shapes/rect-rx-set-by-css-ref.svg b/svg/shapes/rect-rx-set-by-css-ref.svg
new file mode 100644
index 0000000..2b53158
--- /dev/null
+++ b/svg/shapes/rect-rx-set-by-css-ref.svg
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100">
+  <rect width="100" height="100" rx="40" />
+</svg>
diff --git a/svg/shapes/rect-rx-set-by-css.svg b/svg/shapes/rect-rx-set-by-css.svg
new file mode 100644
index 0000000..375147a
--- /dev/null
+++ b/svg/shapes/rect-rx-set-by-css.svg
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100">
+  <metadata>
+    <link xmlns="http://www.w3.org/1999/xhtml" rel="help" href="http://www.w3.org/TR/SVG/shapes.html#RectElement"/>
+    <link xmlns="http://www.w3.org/1999/xhtml" rel="match" href="rect-rx-set-by-css-ref.svg"/>
+    <meta xmlns="http://www.w3.org/1999/xhtml" name="assert" content="rx can be set via CSS."/>
+  </metadata>
+  <rect width="100" height="100" style="rx: 40px" />
+</svg>