Broken master: Spec failure in ee/spec/helpers/ee/runners_helper_spec.rb:32

e.g. https://gitlab.com/gitlab-org/gitlab-ee/-/jobs/292821520

 1) EE::RunnersHelper.ci_usage_warning_message when CI minutes quota is above the warning limits does not return a message
     Failure/Error: expect(subject).to be_nil

       expected: nil
            got: ""
     # ./vendor/ruby/2.6.0/gems/rspec-support-3.8.2/lib/rspec/support.rb:97:in `block in <module:Support>'
     # ./vendor/ruby/2.6.0/gems/rspec-support-3.8.2/lib/rspec/support.rb:106:in `notify_failure'
     # ./vendor/ruby/2.6.0/gems/rspec-expectations-3.8.4/lib/rspec/expectations/fail_with.rb:35:in `fail_with'
     # ./vendor/ruby/2.6.0/gems/rspec-expectations-3.8.4/lib/rspec/expectations/handler.rb:40:in `handle_failure'
     # ./vendor/ruby/2.6.0/gems/rspec-expectations-3.8.4/lib/rspec/expectations/handler.rb:50:in `block in handle_matcher'
     # ./vendor/ruby/2.6.0/gems/rspec-expectations-3.8.4/lib/rspec/expectations/handler.rb:27:in `with_matcher'
     # ./vendor/ruby/2.6.0/gems/rspec-expectations-3.8.4/lib/rspec/expectations/handler.rb:48:in `handle_matcher'
     # ./vendor/ruby/2.6.0/gems/rspec-expectations-3.8.4/lib/rspec/expectations/expectation_target.rb:65:in `to'
     # ./ee/spec/helpers/ee/runners_helper_spec.rb:33:in `block (4 levels) in <top (required)>'