text: const expect = require('expect');
  const {matches} = require('./_30s.js');
  
  test('matches is a Function', () => {
    expect(matches).toBeInstanceOf(Function);
  });
  test('Matches returns true for two similar objects', () => {
    expect(
      matches({ age: 25, hair: 'long', beard: true }, { hair: 'long', beard: true })
    ).toBeTruthy();
  });
  test('Matches returns false for two non-similar objects', () => {
    expect(
      matches({ hair: 'long', beard: true }, { age: 25, hair: 'long', beard: true })
    ).toBeFalsy();
  });
  