const ERC20WithMetadata = artifacts.require('ERC20WithMetadataMock'); require('chai') .should(); const metadataURI = 'https://example.com'; describe('ERC20WithMetadata', function () { beforeEach(async function () { this.token = await ERC20WithMetadata.new(metadataURI); }); it('responds with the metadata', async function () { (await this.token.tokenURI()).should.equal(metadataURI); }); });