'``attach_volume`` can attach multiple block devices to a single host.'

def test_multiple_volumes_attached_to_host(self):

    volume1 = self.api.create_volume(dataset_id=uuid4(), size=self.minimum_allocatable_size)
    volume2 = self.api.create_volume(dataset_id=uuid4(), size=self.minimum_allocatable_size)
    attached_volume1 = self.api.attach_volume(volume1.blockdevice_id, attach_to=self.this_node)
    attached_volume2 = self.api.attach_volume(volume2.blockdevice_id, attach_to=self.this_node)
    self.repeat_until_consistent((lambda : self.assertItemsEqual([attached_volume1, attached_volume2], self.api.list_volumes())))
