Filesystem verification after the recorded Delete now action.

BASE
assume-unchanged-edit: REMOVED
skip-worktree-edit: REMOVED
clean-control: REMOVED

HEAD
assume-unchanged-edit: 'valuable hidden edit 1\n'
git status --porcelain: ''
skip-worktree-edit: 'valuable hidden edit 2\n'
git status --porcelain: ''
clean-control: REMOVED
