Comment out flakey failing tests.

The whole tests are commented out because the underlying problem
seems too broad and we don't want to waste more time on this until
the problem is fixed: https://bugs.launchpad.net/nova/+bug/1046870

Change-Id: Ie4ee4d11b1dea2e98851e8060f96b69778d06ee4
diff --git a/tempest/tests/compute/test_images.py b/tempest/tests/compute/test_images.py
index c969a0c..694965f 100644
--- a/tempest/tests/compute/test_images.py
+++ b/tempest/tests/compute/test_images.py
@@ -17,6 +17,7 @@
 
 from nose.plugins.attrib import attr
 import unittest2 as unittest
+import nose
 
 from tempest.common.utils.data_utils import rand_name, parse_image_id
 import tempest.config
@@ -381,6 +382,7 @@
 
     @classmethod
     def setUpClass(cls):
+        raise nose.SkipTest("Until Bug 1046870 is fixed")
         super(ImagesTestJSON, cls).setUpClass()
         cls.client = cls.images_client
         cls.servers_client = cls.servers_client
@@ -407,6 +409,7 @@
 
     @classmethod
     def setUpClass(cls):
+        raise nose.SkipTest("Until Bug 1046870 is fixed")
         super(ImagesTestXML, cls).setUpClass()
         cls.client = cls.images_client
         cls.servers_client = cls.servers_client
diff --git a/tempest/tests/compute/test_servers_negative.py b/tempest/tests/compute/test_servers_negative.py
index 5d7742b..2558e6d 100644
--- a/tempest/tests/compute/test_servers_negative.py
+++ b/tempest/tests/compute/test_servers_negative.py
@@ -19,6 +19,7 @@
 
 from nose.plugins.attrib import attr
 import unittest2 as unittest
+import nose
 
 from tempest import exceptions
 from tempest import openstack
@@ -30,6 +31,7 @@
 
     @classmethod
     def setUpClass(cls):
+        raise nose.SkipTest("Until Bug 1046870 is fixed")
         super(ServersNegativeTest, cls).setUpClass()
         cls.client = cls.servers_client
         cls.img_client = cls.images_client