'Creates two flavors with different size ram but same size vcpus
and disk.
:returns: tuple of (larger_flavor_name, smaller_flavor_name)'

def _create_resize_down_flavors(self):

    self.nova('flavor-create', params='resize-larger-flavor    auto    128    0    1')
    self.addCleanup(self.nova, 'flavor-delete', params='resize-larger-flavor')
    self.nova('flavor-create', params='resize-smaller-flavor    auto    64    0    1')
    self.addCleanup(self.nova, 'flavor-delete', params='resize-smaller-flavor')
    return ('resize-larger-flavor', 'resize-smaller-flavor')
