Sync parserTests with core.

This matches upstream commit 60e9e8513de472f912e3e76434ba2aa9265fd87f.

Upstream has added a new djvu test case.  Added this to the mock API, but
we don't have any support for djvu or the 'page' image parameter yet, so
the newly-added tests go on the blacklist.

Change-Id: Ia2a278bc9a5a37af64807079f9b512a9c22ebfba
Merge "Sync parserTests with core."