Added a11y specs for EuiNotificationEvent, EuiPageHeader, EuiPortal#6524

Merged

1Copenut merged 4 commits intoelastic:mainfrom

1Copenut:feature/cypress-a11y-specs-IX

Jan 17, 2023

Commits on Jan 12, 2023

Added a11y specs for EuiNotificationEvent, EuiPageHeader, EuiPortal
1Copenut
committed
Simplifying Portal test, adding breadcrumb and tabs to Page Header.
1Copenut
committed
Simplified two components, added a state check to EuiNotification.
1Copenut
committed

Commits on Jan 13, 2023

Further reducing the EuiPortal specs to test just that one component.
1Copenut
committed