Test the 'deny' functionality of Licence Compliance testing, encompassing the changes from issues https://gitlab.com/gitlab-org/gitlab/issues/214993 Align license compliance `deny` classification outcome with user expectations - Add tooltip and text copy to policy tab https://gitlab.com/gitlab-org/gitlab/issues/214990 Align license compliance `deny` classification outcome with user expectations - Prevent MR from being mergable in UI https://gitlab.com/gitlab-org/gitlab/issues/214992 Align license compliance `deny` classification outcome with user expectations - Update text copy on license policy tab https://gitlab.com/gitlab-org/gitlab/issues/215891 Make MR not mergeable if License Compliance has found denied licenses https://gitlab.com/gitlab-org/gitlab/-/issues/215913 Allow merge when `License-Check` approve denied licenses Can be linked to License Compliance test improvements as per https://gitlab.com/gitlab-org/gitlab/-/issues/219461