Should have 2 results: testmbox and longmbox:
2 results
message/rfc822	[file:///home/dockes/projets/fulltext/testrecoll/partialpurge/longmbox]	[This email goes: deletedmessageuniqueterm]	755	bytes	
message/rfc822	[file:///home/dockes/projets/fulltext/testrecoll/partialpurge/testmbox]	[This email goes: deletedmessageuniqueterm]	755	bytes	

Changing file and reindexing
Should have 1 result: longmbox:
1 results
message/rfc822	[file:///home/dockes/projets/fulltext/testrecoll/partialpurge/longmbox]	[This email goes: deletedmessageuniqueterm]	755	bytes	

Purging whole test file
Should have 1 result: longmbox:
1 results
message/rfc822	[file:///home/dockes/projets/fulltext/testrecoll/partialpurge/longmbox]	[This email goes: deletedmessageuniqueterm]	755	bytes	
Should have 2 results: longmbox shortmbox:
2 results
message/rfc822	[file:///home/dockes/projets/fulltext/testrecoll/partialpurge/longmbox]	[This email remains: stablemessageuniqueterm]	759	bytes	
message/rfc822	[file:///home/dockes/projets/fulltext/testrecoll/partialpurge/shortmbox]	[This email remains: stablemessageuniqueterm]	1173	bytes