diff --git a/nova/tests/test_libvirt_config.py b/nova/tests/test_libvirt_config.py
index 88719960..c332ce7c 100644
--- a/nova/tests/test_libvirt_config.py
+++ b/nova/tests/test_libvirt_config.py
@@ -366,7 +366,7 @@ class LibvirtConfigGuestDiskTest(LibvirtConfigBaseTest):
self.assertXmlEqual(xml, """
-
+
""")
@@ -387,7 +387,7 @@ class LibvirtConfigGuestDiskTest(LibvirtConfigBaseTest):
self.assertXmlEqual(xml, """
-
+
@@ -535,7 +535,7 @@ class LibvirtConfigGuestInterfaceTest(LibvirtConfigBaseTest):
-
+
""")