salix/modules/account/back/methods/account-synchronizer/test.js

module.exports = Self => {
    Self.remoteMethod('test', {
        description: 'Tests connector configuration',
        http: {
            path: `/test`,
            verb: 'GET'
        }
    });

    Self.test = async function() {
        let connector = await Self.getSynchronizer();
        await connector.test();
    };
};