ee/spec/services/ee/issues/update_service_spec.rb is failing on master

  1) Issues::UpdateService execute refresh epic dates updating milestone calls epic#update_start_and_due_dates
     Failure/Error: expect(epic).to receive(:update_start_and_due_dates).twice

       (#<Epic id:32 group115&1>).update_start_and_due_dates(*(any args))
           expected: 2 times with any arguments
           received: 0 times with any arguments
     # ./ee/spec/services/ee/issues/update_service_spec.rb:23:in `block (5 levels) in <top (required)>'

(https://gitlab.com/gitlab-org/gitlab-ee/-/jobs/171852663)