'Custom parameters are presented in wrong format.'

def test_bad_custom_params(self):

    bad_custom_params = ['test_custom_params:    test_custom_param_value']
    self.xmodule.custom_parameters = bad_custom_params
    self.xmodule.get_client_key_secret = Mock(return_value=('test_client_key', 'test_client_secret'))
    self.xmodule.oauth_params = Mock()
    with self.assertRaises(LTIError):
        self.xmodule.get_input_fields()
