Call setupCurrentSkin with REQUEST argument to shut up a deprecation warning.

lib/python/Testing/ZopeTestCase/PortalTestCase.py

@@ -100,6 +100,9 @@ class PortalTestCase(base.TestCase):
             self.portal.clearCurrentSkin()
         else: # CMF 1.4
             self.portal._v_skindata = None
+        try:
+            self.portal.setupCurrentSkin(self.app.REQUEST)
+        except TypeError:
             self.portal.setupCurrentSkin()
 
     # Portal interface