text: const arrayPDF = require('./utils/arrayPDF');
  const { getTeachers, getSubject, getSchedule } = require('../utils/filterPdf');
  const {joinClassesWithSchedule} = require('../utils/joinInfo');
  
  const teachers = getTeachers(arrayPDF);
  const classes = getSubject(arrayPDF);
  const schedule = getSchedule(arrayPDF);
  
  const classesRelation = joinClassesWithSchedule(classes, schedule, teachers);
  
  test('Verificando se há elementos nulos ou undefined no array resultante', () => {
      for(let i = 0; i < classesRelation.length; i++) {
          expect(classesRelation[i]).not.toBeNull()
          expect(classesRelation[i]).not.toBeUndefined()
  }
  })
  
  test('Verificando se a composição do array final', () => {
      for(let i = 0; i < classesRelation.length; i++) {
          expect(classesRelation[i][0]).toEqual(teachers[i])
          expect(classesRelation[i][1]).toEqual(classes[i])
          expect(classesRelation[i][2]).toEqual(schedule[i])
  }
  })
  
  test('Verificando o tamanho do array', () => {
      expect(classesRelation.length).toBe(91)
  })
  