test1	camel store folder operations (local only)
test2	basic folder operations, local
test3	folder searching and indexing, local
test4	camel store folder operations, IMAP
test5	camel store folder operations, NNTP
test6	basic folder operations, IMAP
test7	basic folder operations, NNTP

test8	multithreaded folder torture test, local
test9	filtering