Move Dashboard shortcuts specs from Spinah to RSpec
What does this MR do?
It moves the Dashboard shortcuts Spinach feature to RSpec. Hopefully it could improve the situation with #27351 (closed).
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
It moves the Dashboard shortcuts Spinach feature to RSpec. Hopefully it could improve the situation with #27351 (closed).