pragma solidity ^0.4.2; import "truffle/Assert.sol"; import "truffle/DeployedAddresses.sol"; import "../contracts/SimpleStorage.sol"; contract TestSimpleStorage { function testItStoresAValue() public { SimpleStorage simpleStorage = SimpleStorage(DeployedAddresses.SimpleStorage()); simpleStorage.set(89); uint expected = 89; Assert.equal(simpleStorage.get(), expected, "It should store the value 89."); } }