pragma solidity 0.4.19;

contract MyContract {
  uint[] public myArr;

  MyContract(uint[] _initArr) public {
    for (uint i=0; i < _initArr.length; i++) {
      myArr.push(_initArr[i]);
    }
  }

  function getMyArr public constant returns (uint[]) {
    return myArr;
  }
}

pragma solidity 0.4.19;

import "truffle/Assert.sol";
import "truffle/DeployedAddresses.sol";
import "../contracts/MyContract.sol";

contract TestMyContract {
  function testMyContract() public {
    uint[] storage expectedArr;
    expectedArr.push(0);
    expectedArr.push(1);
    expectedArr.push(2);

    MyContract myContract = new MyContract(expectedArr);

    Assert.equal(myContract.getMyArr(), expectedArr, "pass");
  }
}

TypeError: Member "equal" is not available in type(library Assert) outside of storage.
        Assert.equal(myContract.getMyArr(), expectedArr, "pass");
        ^----------^