Fix pre main jh

What does this MR do and why?

fix ee/spec/views/trial_registrations/new.html.haml_spec.rb： 和上游分叉了，有些测试 skip

skip spec/features/groups_spec.rb, 等待上游回复 https://gitlab.com/gitlab-org/gitlab/-/merge_requests/144811#note_1806657129

jh/backup/manager_spec.rb: fix jh backup test

skip ee/spec/requests/registrations/groups_controller_spec.rb: skip 上游测试，添加jh的测试