diff -rup old/tests/testdriver.xml virtinst-0.500.0/tests/testdriver.xml
--- old/tests/testdriver.xml	2009-09-13 19:06:49.000000000 -0400
+++ virtinst-0.500.0/tests/testdriver.xml	2009-09-13 19:07:02.000000000 -0400
@@ -62,19 +62,25 @@
     <name>default-vol</name>
     <capacity>1000000</capacity>
     <allocation>50000</allocation>
-    <target/>
+    <target>
+      <format type='qcow2'/>
+    </target>
   </volume>
   <volume>
     <name>testvol1.img</name>
     <capacity>1000000</capacity>
     <allocation>50000</allocation>
-    <target/>
+    <target>
+      <format type='qcow2'/>
+    </target>
   </volume>
   <volume>
     <name>testvol2.img</name>
     <capacity>1000000</capacity>
     <allocation>50000</allocation>
-    <target/>
+    <target>
+      <format type='qcow2'/>
+    </target>
   </volume>
 </pool>
 
@@ -153,7 +159,9 @@
     <name>testvol1.img</name>
     <capacity>107374182400</capacity>
     <allocation>107374182400</allocation>
-    <target/>
+    <target>
+      <format type='qcow2'/>
+    </target>
   </volume>
 </pool>
 
diff -rup old/tests/xmlconfig.py virtinst-0.500.0/tests/xmlconfig.py
--- old/tests/xmlconfig.py	2009-09-13 19:06:49.000000000 -0400
+++ virtinst-0.500.0/tests/xmlconfig.py	2009-09-13 19:10:56.000000000 -0400
@@ -28,7 +28,7 @@ from virtinst import VirtualCharDevice
 from virtinst import VirtualVideoDevice
 import tests
 
-conn = libvirt.open("test:///default")
+conn = tests.open_testdriver()
 
 def get_basic_paravirt_guest():
     g = virtinst.ParaVirtGuest(connection=conn, type="xen")
@@ -41,7 +41,6 @@ def get_basic_paravirt_guest():
     g.vcpus = 5
     return g
 
-conn = libvirt.open("test:///default")
 def get_basic_fullyvirt_guest(typ="xen"):
     g = virtinst.FullVirtGuest(connection=conn, type=typ,
                                emulator="/usr/lib/xen/bin/qemu-dm",