text: const calculator = require('../libraries/utils');
  
  test('Calculator numbers should be ok 45', () => {
      expect(calculator.validaNumerosPositivos(45)).toStrictEqual(true);
  });
  
  test('Calculator numbers should be ok 2', () => {
      expect(calculator.validaNumerosPositivos(2)).toStrictEqual(true);
  });
  
  test('Calculator numbers should be ok 2', () => {
      expect(calculator.validaNumerosPositivos('asdada')).toStrictEqual(false);
  });