truffle compile fails with the following error:
Error parsing /Users/rdelrosario/ron-eth-pet-shop/test/TestAdoption.sol: ParsedContract.sol:19:14: ParserError: Expected token LParen got 'Identifier'function testGetAdopterAddressByPetId() public {
Code is below:
pragma solidity ^0.4.17;
import "truffle/Assert.sol";
import "truffle/DeployedAddresses.sol";
import "../contracts/Adoption.sol";
contract TestAdoption {
  Adoption adoption = Adoption(DeployedAddresses.Adoption());
  // Testing the adopt() function
  function testUserCanAdoptPet() public {
    uint returnedId = adoption.adopt(8);
    uint expected = 8;
    Assert.equal(returnedId, expected, "Adoption of pet ID 8 should be recorded.");
    // Testing retrieval of a single pet's owner
    function testGetAdopterAddressByPetId() public {
      // Expected owner is this contract
      address expected = this;
      address adopter = adoption.adopters(8);
      Assert.equal(adopter, expected, "Owner of pet ID 8 should be recorded.");
    // Testing retrieval of all pet owners
    function testGetAdopterAddressByPetIdInArray() public {
      // Expected owner is this contract
      address expected = this;
      // Store adopters in memory rather than contract's storage
      address[16] memory adopters = adoption.getAdopters();
      Assert.equal(adopters[8], expected, "Owner of pet ID 8 should be recorded.");
      }
    }
  }
}