file_service.test fails intermittently with the error:

file_service.test: orly/indy/disk/file_service.cc:536: void Orly::Indy::Disk::TFileService::Runner(): Assertion `to_apply > 0' failed.
Test fails intermittently.

See #59 for the issue the test has
Merge pull request #56 from cmaloney/remove_broken_tests

Remove broken tests