fix testcase test_check_can_live_migrate_dest_fills_listen_addrs

We should set return_value=1 for compareCPU hook.
Otherwise we'll get an exception InvalidCPUInfo:
CPU doesn't have compatibility

Change-Id: Id9313eb46084e60cf0c7f5a77fe9a8a7dc86b8fb
Closes-Bug: #1634962

diff --git a/nova/tests/unit/virt/libvirt/test_driver.py b/nova/tests/unit/virt/libvirt/test_driver.py
index 25c6aea9edc5429e87f0d1eca89a9d818bc64d6f..2c0ddd555e70220525f761f21b73b0f20fd20e54 100644 (file)
--- a/nova/tests/unit/virt/libvirt/test_driver.py
+++ b/nova/tests/unit/virt/libvirt/test_driver.py
@@ -6828,6 +6828,7 @@ class LibvirtConnTestCase(test.NoDBTestCase):
         self.flags(vncserver_listen='192.0.2.12', group='vnc')
         self.flags(server_listen='198.51.100.34', group='spice')
         self.flags(proxyclient_address='203.0.113.56', group='serial_console')
+        mock_cpu.return_value = 1
 
         instance_ref = objects.Instance(**self.test_instance)
         instance_ref.vcpu_model = test_vcpu_model.fake_vcpumodel