Attempt to get feature specs running headless again (#898)
Attempt to get feature specs running headless again (#898)

At some point, SOMETHING stopped our headless specs running headless - we became headlessless.

This PR introduces a tentative change which restores the ability for our JS feature specs to run headless, and use CHROME_DEBUG=1 if you want to see them run in the browser

ministryofjustice/correspondence_tool_staff,ministryofjustice/correspondence_tool_staff,ministryofjustice/correspondence_tool_staff,ministryofjustice/correspondence_tool_staff,ministryofjustice/correspondence_tool_staff