code: function update (client) {
    return function update (realmName, user) {
      return new Promise((resolve, reject) => {
        user = user || {};
        const req = {
          url: `${client.baseUrl}/admin/realms/${realmName}/users/${user.id}`,
          auth: {
            bearer: privates.get(client).accessToken
          },
          json: true,
          method: 'PUT',
          body: user
        };
  
        request(req, (err, resp, body) => {
          if (err) {
            return reject(err);
          }
  
          // Check that the status cod
          if (resp.statusCode !== 204) {
            return reject(body);
          }
  
          return resolve(body);
        });
      });
    };
  }
docs: A function to update a user for a realm
  @param {string} realmName - The name of the realm(not the realmID) - ex: master,
  @param {object} user - The JSON representation of the fields to update for the user - This must include the user.id field.
  @returns {Promise} A promise that resolves.
  @example
  keycloakAdminClient(settings)
  .then((client) => {
  client.users.update(realmName, user)
  .then(() => {
  console.log('success')
  })
  })