* Test: Remove chai-as-promised calls * Test/Helpers: expectThrow accepts optional message * NPM: Remove chai-as-promised * Contracts/DestructibleMock: Fix lint
* Test helpers no longer rely on Babel. * Behaviours are no longer imported. * Removed Babel dependency. * Fixed linter errors.
* added the RBACMintableToken * added MintedCrowdsale with RBACMintableToken test * added a mintable behaviour for tests * moved minting tests in behaviour * created a minted crowdsale behaviour to be tested with both mintable and rbacmintable token