Then I should see the dialog "Are you sure you want to delete this post?"

The dialog the admin has open (a confirmation, the publish dialog, a settings dialog), by its title or a part of its text.

Examples

Then I should see the dialog "Are you sure you want to delete this post?"
Then I should see the dialog "Delete member account"
Then we should see the dialog "Invite a new staff user"
Then I should not see the dialog "Are you sure you want to delete this post?"
And I should see the dialog "This is permanent"

Pattern

Then(/^(?:I |we )?should( not)? see the dialog "([^"]*)"$/, …)

Part of @webship-js/ghost-steps (github.com/webship/ghost-steps), a step pack for Webship-js 2.0.x.