Skip cli-keystone catalog and help tests

Skip those two tests until Bug #1213912 is solved,
as it freezed all stable/grizzly checks.

Change-Id: I0a7b22f3212d79705f922e8bcabd29be365123a2

cli/simple_read_only/test_keystone.py

@@ -19,6 +19,8 @@
 import re
 import subprocess
 
+import testtools
+
 import cli
 
 
@@ -38,6 +40,7 @@ def test_admin_fake_action(self):
                           self.keystone,
                           'this-does-not-exist')
 
+    @testtools.skip("Skipped until the Bug #1213912 is resolved")
     def test_admin_catalog_list(self):
         out = self.keystone('catalog')
         catalog = self.parser.details_multiple(out, with_label=True)
@@ -87,6 +90,7 @@ def test_admin_discover(self):
         self.assertIn('Keystone found at http', discovered)
         self.assertIn('supports version', discovered)
 
+    @testtools.skip("Skipped until the Bug #1213912 is resolved")
     def test_admin_help(self):
         help_text = self.keystone('help')
         lines = help_text.split('\n')