Add an assignee to merge request in smoke test

qa/qa/specs/features/browser_ui/3_create/merge_request/create_merge_request_spec.rb

@@ -24,6 +24,7 @@ module QA
         Resource::MergeRequest.fabricate_via_browser_ui! do |merge_request|
           merge_request.project = project
           merge_request.title = merge_request_title
+          merge_request.assignee = 'me'
           merge_request.description = merge_request_description
         end