!c !3 Orphaned pages are removed.

Create a page tree to be imported.
!|Page creator.|
|Page name.   |Page contents.|valid?|
|ImportedRoot|!contents   |true   |
|ImportedRoot.PageOne|page one   |true   |
|ImportedRoot.PageOne.ChildOne|child one   |true   |
|ImportedRoot.PageTwo|page two   |true   |

Create an importing page.
!|Page creator.|
|Page name.   |Page contents.|valid?|
|ImportingPage|!contents   |true   |

This !-ImportingPage-! will now import the !-ImportingRoot-! page created above.
!|Response Requester.|
|uri   |valid?|
|ImportingPage?responder=import&remoteUrl=http://localhost:${INTERNAL_PORT}/ImportedRoot&nochunk=true|true|

We see all 3 pages imported.
!|Response Examiner|
|type|pattern|matches?|
|contents|3 pages were imported|true|

Now delete one of the pages from the imported root.
!|Response Requester.|
|uri   |status?|
|ImportedRoot.PageOne?responder=deletePage&confirmed=yes|303|

Importing again will shows only that that orphaned pages have been removed.
!|Response Requester.|
|uri   |valid?|
|ImportingPage?responder=import&nochunk=true|true|

!|Response Examiner|
|type|pattern|matches?|contents?|
|contents|0 pages were imported|true||

!|Response Examiner|
|type|pattern|matches?|
|contents|2 orphaned pages were found and have been removed.|true|
|contents|Orphans:|true|
|contents|PageOne|true|
|contents|PageOne.ChildOne|true|