text: const { expect } = require('chai')
  const Vault = require('../../lib/Vault')
  
  
  describe('Vault class tests', () => {
      it('getBills should return all available bills', () => {
          const expected = [
              { value: 1000, count: 1 },
              { value: 500, count: 3 },
              { value: 100, count: 1 }
          ]
  
          const vault = new Vault(expected)
          const actual = vault.getBills()
  
  
          expect(actual).to.have.deep.members(expected)
          expect(actual.length).deep.equal(expected.length)
      })
  })