old_contents: 'use strict';
  
  require('tests/unit/before-all');
  
  const should = require('should');
  const sinon = require('sinon');
  const _ = require('underscore');
  require('sinon-as-promised');
  
  var keyValueUtils;
  var sandbox;
  
  before(function() {
    sandbox = sinon.sandbox.create();
  
    keyValueUtils = require('lib/utils/keyValueUtils');
  });
  
  afterEach(function() {
    sandbox.restore();
  });
  
  describe('utils', function() {
    describe('keyValueUtils', function() {
      describe.only('convert', function() {
        describe('when null value is passed', () => {
          it('should return null', function(next) {
            var value = null;
  
            var result = keyValueUtils.convert(value);
  
            should(result).equal(null);
  
            return next(null);
          });
        });
  
        describe('when value is an object', () => {
          // it('should return null', function(next) {
          //   var value = null;
          //
          //   var result = keyValueUtils.convert(value);
          //
          //   should(result).equal(null);
          //
          //   return next(null);
          // });
        });
      });
    });
  });
  
new_contents: 'use strict';
  
  require('tests/unit/before-all');
  
  const should = require('should');
  const sinon = require('sinon');
  const _ = require('underscore');
  require('sinon-as-promised');
  
  var keyValueUtils;
  var sandbox;
  
  before(function() {
    sandbox = sinon.sandbox.create();
  
    keyValueUtils = require('lib/utils/keyValueUtils');
  });
  
  afterEach(function() {
    sandbox.restore();
  });
  
  describe('utils', function() {
    describe('keyValueUtils', function() {
      describe('convert', function() {
        describe('when null value is passed', () => {
          it('should return null', function(next) {
            var value = null;
  
            var result = keyValueUtils.convert(value);
  
            should(result).equal(null);
  
            return next(null);
          });
        });
  
        describe('when value is an object', () => {
          // it('should return null', function(next) {
          //   var value = null;
          //
          //   var result = keyValueUtils.convert(value);
          //
          //   should(result).equal(null);
          //
          //   return next(null);
          // });
        });
      });
    });
  });
  
subject: remove only