Fix functional test when there are no sharers

This error apears in pithos livetest account_get, when there are no sharer accounts

kamaki/clients/livetest/astakos.py

@@ -42,6 +42,7 @@ class Astakos(livetest.Generic):
         self.cloud = 'cloud.%s' % self['testcloud']
         self.client = AstakosClient(
             self[self.cloud, 'url'], self[self.cloud, 'token'])
+        print 'WHA?', self['astakos', 'details']
         with open(self['astakos', 'details']) as f:
             self._astakos_details = eval(f.read())
 

kamaki/clients/livetest/pithos.py

@@ -224,7 +224,12 @@ class Pithos(livetest.Generic):
 
         """Check sharing_accounts"""
         r = self.client.get_sharing_accounts()
-        self.assertTrue(len(r) > 0)
+        try:
+            self.assertTrue(len(r) > 0)
+        except AssertionError as e:
+            print '\n\tWARNING: Are there any sharers to your account?'
+            self.assertEqual(len(r), 0)
+            print '\tIf there are, this (%s) is an error, else it is OK' % e
 
     def test_account_post(self):
         """Test account_POST"""