bug lp845714

Kind of fixes it, this calls resize on the instance. The space will be
available, but the partition won't be resized to use this space.
Running fdisk -l will show the additional space(after a discussion here
I was told this solution was best for the moment).

Adding myself to Authors

Change-Id: Ice9b12b64b266bd291e7c689114b1172e317e144

nova/tests/test_xenapi.py

@@ -82,6 +82,7 @@ class XenAPIVolumeTestCase(test.TestCase):
                   'image_ref': 1,
                   'kernel_id': 2,
                   'ramdisk_id': 3,
+                  'local_gb': 20,
                   'instance_type_id': '3',  # m1.large
                   'os_type': 'linux',
                   'architecture': 'x86-64'}
@@ -375,6 +376,7 @@ class XenAPIVMTestCase(test.TestCase):
                       'image_ref': image_ref,
                       'kernel_id': kernel_id,
                       'ramdisk_id': ramdisk_id,
+                      'local_gb': 20,
                       'instance_type_id': instance_type_id,
                       'os_type': os_type,
                       'hostname': hostname,
@@ -651,6 +653,7 @@ class XenAPIVMTestCase(test.TestCase):
             'image_ref': 1,
             'kernel_id': 2,
             'ramdisk_id': 3,
+            'local_gb': 20,
             'instance_type_id': '3',  # m1.large
             'os_type': 'linux',
             'architecture': 'x86-64'}

nova/tests/xenapi/stubs.py

@@ -282,9 +282,6 @@ class FakeSessionForMigrationTests(fake.SessionBase):
     def VDI_get_by_uuid(self, *args):
         return 'hurr'
 
-    def VDI_resize_online(self, *args):
-        pass
-
     def VM_start(self, _1, ref, _2, _3):
         vm = fake.get_record('VM', ref)
         if vm['power_state'] != 'Halted':