text: import "https://unpkg.com/mocha@5.2.0/mocha.js"; /* globals mocha */
  import "https://unpkg.com/chai@4.1.2/chai.js"; /* globals chai */
  
  import * as MessageLevel from "../../modules/data/MessageLevel.js";
  
  describe("common data: MessageLevel", function () {
      describe("MESSAGE_LEVEL", function () {
          it("is there", function () {
              chai.assert.exists(MessageLevel.MESSAGE_LEVEL);
              chai.assert.isNotEmpty(MessageLevel.MESSAGE_LEVEL);
          });
  
          it("is object", function () {
              chai.assert.isObject(MessageLevel.MESSAGE_LEVEL);
          });
  
          it("is frozen", function () {
              chai.assert.isFrozen(MessageLevel.MESSAGE_LEVEL);
          });
      });
  });
  