'Check a few things showing the module is uninstalled.'

def test_02_uninstall(self):

    with environment() as env:
        module = env['ir.module.module'].search([('name', '=', MODULE)])
        assert (len(module) == 1)
        module.button_uninstall()
    Registry.new(common.get_db_name(), update_module=True)
    with environment() as env:
        self.assertNotIn('test_uninstall.model', env.registry)
        self.assertFalse(env['ir.model.data'].search([('module', '=', MODULE)]))
        self.assertFalse(env['ir.model.fields'].search([('model', '=', MODEL)]))
