text: var data = {
    "Items": "1,2,3"
  };
  
  var transform = {
    "jsontl": {
      "version": "0.1",
      "transform": {
        "Items": [
          {
            "push": [4,5,6]
          }
        ]
      }
    }
  };
  
  var assert = require('assert');
  
  module.exports = function(jsontl) {
    describe('push operation', function() {
  
      it('should throw TypeError if target is not an array', function() {
        assert.throws(function() {
          jsontl.transform(data, transform);
        }, TypeError);
      });
    });
  };
  