timezone_dropdown_spec.js ci_variable_list_spec.js native_form_variable_list_spec.js specs are failing

Summary

Job #3098402872 failed for 6c0c16d1:

• spec/frontend/ci_variable_list/ci_variable_list/ci_variable_list_spec.js
• spec/frontend/pages/projects/pipeline_schedules/shared/components/timezone_dropdown_spec.js
• spec/frontend/ci_variable_list/ci_variable_list/native_form_variable_list_spec.js

are failing on different jest builds for that pipeline

Steps to reproduce

1. gdk start
2. bin/rspec spec/frontend/fixtures/timezones.rb spec/frontend/fixtures/pipeline_ schedules.rb
3. yarn run jest spec/frontend/ci_variable_list/ci_variable_list/ci_variable_list_spec.js spec/frontend/pages/projects/pipeline_schedules/shared/components/timezone_dropdown_spec.js spec/frontend/ci_variable_list/ci_variable_list/native_form_variable_list_spec.js

Proposed Resolution

Please refer to the Resolution guidance to learn more about resolution of broken master.