Tests fail to run

[codejamninja]

yarn run v1.13.0
$ vows --spec
Error reading test/config.json.
Are you sure it exists?

{ Error: Cannot find module './config'
    at Function.Module._resolveFilename (module.js:548:15)
    at Function.Module._load (module.js:475:25)
    at Module.require (module.js:597:17)
    at require (internal/module.js:11:18)
    at Object.<anonymous> (/home/codejamninja/Contracts/winston-loggly-bulk/test/winston-loggly-test.js:18:12)
    at Module._compile (module.js:653:30)
    at Object.Module._extensions..js (module.js:664:10)
    at Module.load (module.js:566:32)
    at tryModuleLoad (module.js:506:12)
    at Function.Module._load (module.js:498:3) code: 'MODULE_NOT_FOUND' }
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.