This typically occurs when running a large volume of component tests, causing the webpack build to take longer than the 5 minute timeout in screener-storybook.
There currently isn't a way to configure this timeout, but a potential workaround would be to test against a static version of your storyboard if possible. The below link provides the steps for a static build, and should alleviate the mentioned timeout.
https://github.com/screener-io/screener-storybook#testing-with-static-storybook-app
Error: Port not returned when starting Storybook server
