Resolved #46 - User-friendly handling for EADDRINUSE error.
Resolved #43 - redirect test folder url to the dashboard with a proper filter.
Fixed: parse filter value to exclude non-existent keywords.
Moved: isSlow to common template helpers.
Resolved #48 - Test errors can be shown in a popup.
Refactored: dashboard's Test module.
Changed: extracted test error popup to commons.