[8.x] [kbn-test] add forceNewSession option to re-generate session cookie (#199018)#204583

stephmilovic merged 1 commit intoelastic:8.xelastic/kibana:8.xfrom

dmlemeshko:backport/8.x/pr-199018dmlemeshko/kibana:backport/8.x/pr-199018Copy head branch name to clipboard