diff --git a/nova/tests/test_libvirt_config.py b/nova/tests/test_libvirt_config.py
index b0da9f99..a00d5b57 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, """
             <disk type="network" device="disk">
               <driver name="qemu" type="qcow2"/>
-              <source name="foo.bar.com" protocol="iscsi"/>
+              <source protocol="iscsi" name="foo.bar.com"/>
               <target bus="ide" dev="/dev/hda"/>
             </disk>""")
 
@@ -387,7 +387,7 @@ class LibvirtConfigGuestDiskTest(LibvirtConfigBaseTest):
         self.assertXmlEqual(xml, """
             <disk type="network" device="disk">
               <driver name="qemu" type="raw"/>
-              <source name="pool/image" protocol="rbd"/>
+              <source protocol="rbd" name="pool/image"/>
               <auth username="foo">
                 <secret type="ceph"
                 uuid="b38a3f43-4be2-4046-897f-b67c2f5e0147"/>
@@ -530,7 +530,7 @@ class LibvirtConfigGuestInterfaceTest(LibvirtConfigBaseTest):
             <interface type="direct">
               <mac address="DE:AD:BE:EF:CA:FE"/>
               <model type="virtio"/>
-              <source dev="eth0" mode="private"/>
+              <source mode="private" dev="eth0"/>
               <virtualport type="802.1Qbh"/>
             </interface>""")