diff --git a/nova/tests/test_xenapi.py b/nova/tests/test_xenapi.py
index ee4c68e6..3cbc01e5 100644
--- a/nova/tests/test_xenapi.py
+++ b/nova/tests/test_xenapi.py
@@ -362,11 +362,13 @@ class XenAPIMigrateInstance(test.TestCase):
         stubs.stub_out_migration_methods(self.stubs)
 
     def test_migrate_disk_and_power_off(self):
-        FLAGS.target_host = '127.0.0.1'
-        FLAGS.xenapi_connection_url = 'test_url'
-        FLAGS.xenapi_connection_password = 'test_pass'   
-        destination = '127.0.0.1'
         instance = db.instance_create(self.values)
         stubs.stubout_session(self.stubs, stubs.FakeSessionForMigrationTests)
         conn = xenapi_conn.get_connection(False)
-        conn.migrate_disk_and_power_off(instance, destination)
+        conn.migrate_disk_and_power_off(instance, '127.0.0.1')
+
+    def test_attach_disk(self):
+        instance = db.instance_create(self.values)
+        stubs.stubout_session(self.stubs, stubs.FakeSessionForMigrationTests)
+        conn = xenapi_conn.get_connection(False)
+        conn.attach_disk(instance, {'base_copy': 'hurr', 'cow': 'durr'})
diff --git a/nova/tests/xenapi/stubs.py b/nova/tests/xenapi/stubs.py
index d1c36747..054fc434 100644
--- a/nova/tests/xenapi/stubs.py
+++ b/nova/tests/xenapi/stubs.py
@@ -213,16 +213,36 @@ class FakeSessionForMigrationTests(fake.SessionBase):
         super(FakeSessionForMigrationTests, self).__init__(uri)
 
 
-class FakeSnapshot(vmops.VMOps):
-    def __getattr__(self, key):
-        return 'fake'
+def stub_out_migration_methods(stubs):
+    class FakeSnapshot(object):
+        def __getattr__(self, key):
+            return str(key)
 
-    def __exit__(self, type, value, traceback)
+        def __enter__(self):
+            return self
+
+        def __exit__(self, type, value, traceback):
+            pass
+
+    def fake_get_snapshot(self, instance):
+        return FakeSnapshot()
+
+    @classmethod
+    def fake_get_vdi(cls, session, vm_ref):
+        vdi_ref = fake.create_vdi(name_label='derp', read_only=False,
+                             sr_ref='herp', sharable=False)
+        vdi_rec = session.get_xenapi().VDI.get_record(vdi_ref)
+        return vdi_ref, {'uuid': vdi_rec['uuid']}
+    
+    def fake_shutdown(self, inst, vm, method='clean'):
         pass
 
-def fake_get_snapshot(self, instance):
-     return FakeSnapshot()
+    @classmethod
+    def fake_scan_sr(cls, session):
+        pass
 
-def stub_out_migration_methods(stubs):
-    stubs.Set(vmops.VMOps, '_get_snapshot', 
-            fake_get_snapshot)
+    stubs.Set(vm_utils.VMHelper, 'scan_sr', fake_scan_sr)
+    stubs.Set(vmops.VMOps, '_get_snapshot', fake_get_snapshot)
+    stubs.Set(vm_utils.VMHelper, 'get_vdi_for_vm_safely', fake_get_vdi)
+    stubs.Set(xenapi_conn.XenAPISession, 'wait_for_task', lambda x,y,z: None)
+    stubs.Set(vmops.VMOps, '_shutdown', fake_shutdown)