text: const chai = require(`chai`);
  const expect = chai.expect;
  
  const { isRealString } = require(`./validation`);
  
  describe(`isRealString`, () => {
  
      it(`should reject non-string values`, () => {
          let res = isRealString(27);
  
          expect(res).to.be.false;
      });
  
      it(`should reject string with only spaces`, () => {
          let res = isRealString(`       `);
  
          expect(res).to.be.false;
      });
  
      it(`should allow string with non-space characters`, () => {
          let res = isRealString(`  valid   `);
  
          expect(res).to.be.true;
      });
  });
  