started tests refactoring
started tests refactoring

chriseth/solidity-doc-test,ethers/solidity,LianaHus/solidity,gluk256/solidity,chriseth/solidity,vaporry/solidity,ruchevits/solidity,arkpar/solidity,shahankhatch/solidity,debris/solidity,douglas-larocca/solidity,ruchevits/solidity,ruchevits/solidity,ruchevits/solidity