Survey-Dapp "Create Survey" test cases

survey_factory.js

describe('Create New Survey Test Cases', () => {

    // ## Example #1
    it(`1. Given that I’m the Survey Maker
        2. When I try to create a new Survey and included the survey creation costs and survey reward
        3. Then I should be able to get the created survey reference number and address`, () => {
        return surveyFactory.createSurvey.call({ value: _surveyRewardAndCreationCost, from: _surveyMaker })
          .then(([surveyId, surveyAddress]) => {
            return surveyId;
          }).should.eventually.be.bignumber.equals(0);
      });
  
    //  ## Example #2
    it(`1. Given that I’m the Survey Maker
        2. When I try to create a new Survey and included the survey creation costs and survey reward
        3. Then I should be assigned as the owner of the newly created survey`, () => {
        let newSurveyAddress;
        return surveyFactory.createSurvey.call({ value: _surveyRewardAndCreationCost, from: _surveyMaker })
          .then(([surveyId, surveyAddress]) => {
            newSurveyAddress = surveyAddress;
            return surveyFactory.createSurvey({ value: _surveyRewardAndCreationCost, from: _surveyMaker });
          }).then(receipt => {
            return Survey.at(newSurveyAddress);
          }).then(surveyInstance => {
            return surveyInstance.owner.call();
          }).should.eventually.equal(_surveyMaker);
      });

    //  ## Example #3
    it(`1. Given that I’m the Survey Maker
        2. When I try to create a new survey without including the survey creation cost
        3. Then I should receive a "revert" Error`, () => {

        return expectRevert(surveyFactory.createSurvey.call({ from: _surveyMaker }));

      });

    //  ## Example #4
    it(`1. Given that I’m the Survey App Owner
        2. When I try to create a new Survey
        3. Then I should receive a "revert" Error`, () => {

        return expectRevert(surveyFactory.createSurvey.call({ from: _appOwner }));

      });

  });