Plone fix CORS test

test/tests/plone-cors/expected-std-out.txt

@@ -1,9 +1,10 @@
-<configure xmlns="http://namespaces.zope.org/zope">
+<configure
+  xmlns="http://namespaces.zope.org/zope">
   <configure
     xmlns="http://namespaces.zope.org/zope"
     xmlns:plone="http://namespaces.plone.org/plone">
     <plone:CORSPolicy
-      allow_origin="http://example.com:4300"
+      allow_origin="http://example.com:4300,http://example.com:5300"
       allow_methods="DELETE,PUT"
       allow_credentials="false"
       expose_headers="X-Example-Header"