def test_extra_param_single():
    response = client.post(
        "/form-extra-allow/",
        data={
            "param": "123",
            "extra_param": "456",
        },
    )
    assert response.status_code == 200, response.text
    assert response.json() == {
        "param": "123",
        "extra_param": "456",
    }


def test_extra_param_list():
    response = client.post(

    private static final Base64.Encoder encoder = Base64.getEncoder();

    /**
     * Constructor.
     * @param settings Suggest settings
     * @param client OpenSearch client
     * @param settingsIndexName Settings index name
     * @param settingsId Settings ID
     */

     *
     * @param dataMap the data map to populate
     * @param responseData the response data from crawling
     * @param fessConfig the Fess configuration
     * @param crawlingConfig the crawling configuration
     * @param documentHelper the document helper for content processing
     * @param body the extracted body content
     * @param fileName the file name if applicable
     */

    }

    /**
     * Method setFileComment.
     *
     * @param fileComment a fileComment object.
     */
    public void setFileComment(String fileComment) {
        delegate.setFileComment(fileComment);
    } // -- void setFileComment( String )

    /**
     * Method setStringFormatter.
     *
     * @param stringFormatter
     */

    /**
     * Gets a file authentication entity based on the form and current user info.
     *
     * @param form the create form
     * @param username the current username
     * @param currentTime the current time
     * @return optional file authentication entity
     */

            } catch (final IOException ioe) {}
        }
    }

    /**
     * Handles file download requests for SMB files.
     * @param req the HTTP servlet request
     * @param resp the HTTP servlet response
     * @param file the SMB file to download
     * @throws IOException if an I/O error occurs
     */

            }
        });

    }

    /**
     * Parses the token page and extracts token information.
     * @param tokenPattern The regex pattern to extract the token.
     * @param responseParams The list to store response parameters.
     * @param entity The HTTP entity containing the token page content.
     */

     *
     * @param id the unique identifier of the user
     * @return an OptionalEntity containing the user if found
     */
    public OptionalEntity<User> getUser(final String id) {
        return userBhv.selectByPK(id).map(u -> ComponentUtil.getAuthenticationManager().load(u));
    }

    /**
     * Retrieves a user by their username.
     *
     * @param username the username to search for

    /**
     * Constructs a new SSO message exception with message code, detailed message, and cause.
     *
     * @param messageCode The message code for internationalized error display
     * @param message The detailed error message
     * @param cause The underlying cause of this exception
     */

     *
     * @param url the URL to which the PUT request will be sent
     * @return a new CurlRequest object configured with the PUT method and the specified URL
     */
    public static CurlRequest put(final String url) {
        return new CurlRequest(Method.PUT, url);
    }

    /**
     * Creates a new CurlRequest with the DELETE method for the specified URL.
     *