TypeError: "ethSwap.buyTokens" is not a function

[revinco]

TypeError?

    it('Allows user to instantly purchase tokens from ethSwap for a fixed price', async () => {
      await ethSwap.buyTokens({ from: accounts[1], value: '1000000000000000000'})
    })
  })
})```

[revinco]

@gorgos https://i.imgur.com/95fiIAz.png

[revinco]

EthSwap.sol had a typo, it was corrected later on in the tutorial (see screenshot)