This PR removed `unittest.MainTest` the second parameter `TestOptions.GiteaRoot`. Now it detects the root directory by current working directory. --------- Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>  | 
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| .. | ||
| incoming | ||
| token | ||
| mail.go | ||
| mail_comment.go | ||
| mail_issue.go | ||
| mail_release.go | ||
| mail_repo.go | ||
| mail_team_invite.go | ||
| mail_test.go | ||
| mailer.go | ||
| mailer_test.go | ||
| main_test.go | ||
| notify.go | ||