Zabbix

.......... [DEV-4179] added screenshot-based test for checking scrollbar position in item history widget for different values of New value parameter

* commit '820f7ce4de7c63a21657edc5a87f4d2c75ef651c':
  .......... [DEV-4179] replaced wait with waiting fdor table to be reloaded
  .......... [DEV-4179] replaced retrieving the widget with waiting for table in widget to be visible
  .......... [DEV-4179] replaced wait with retrieving the widget
  .......... [DEV-4179] substituted sleep with wait method
  .......... [DEV-4179] removed all unnecessary debuging code except for the sleep
  .......... [DEV-4179] added dialog and now searching for button in dialog instead of submitting the form
  .......... [DEV-4179] added dialog and now searching for button in dialog instead of submitting the form
  .......... [DEV-4179] changed the way the form is saved to understand why new values change is not applied
  .......... [DEV-4179] added reference screnshots of for to doubleckeck that value is changed
  .......... [DEV-4179] removed backup and added sleep to see what is going on in the actual dashboard
  .......... [DEV-4179] attempted to fix wrong screenshot by locating the widget one more time
  .......... [DEV-4179] added sleep to see if the screenshots are wrong due to Jenkins neing too fast
  .......... [DEV-4179] attempted to fix incorrect reference screenshot on Jenkins
  .......... [DEV-4179] added test for checking scrollbar position for different values of New value parameter