Merge pull request #534 from nazariitashak/development

ABM\CalendarTest was fixed.
Merge pull request #535 from AnnaStorozhenko/development

To issue #520 tests for column sort Visas and PermitsTabs
Merge pull request #536 from EricpolUkraine/development

Pre-release merge from 'development' to 'test' v1.15.5-alpha
Integration tests for BTM and VU are fixed
To issue #412 createUser View, unit, integration tests are added
Merge branch 'test' into development