relationshipTester.js

const models = require('./models');
const User = models.User;
const Company = models.Company;
const WorkingDay = models.WorkingDay;

let currentDate = new Date();

WorkingDay.bulkCreate([
  {
    weekDay: 'Monday',
    workingDate: currentDate,
    isWorking: true
  },
  {
    weekDay: 'Tuesday',
    workingDate: currentDate,
    isWorking: true
  },
  {
    weekDay: 'Wednesday',
    workingDate: currentDate,
    isWorking: false
  }
])
.then((workingDays) => {
  console.log(workingDays)
})
.catch((err) => console.log("Error while WorkingDay creation : ", err))