Runs a definition's recipe against an existing space, then drains queued feed appends and
flushes. The same definition runs headless (into an exported archive) or against a live space,
which is what lets one sample space serve both a test and the app.
Runs a definition's recipe against an existing space, then drains queued feed appends and flushes. The same definition runs headless (into an exported archive) or against a live space, which is what lets one sample space serve both a test and the app.