Angular unit tests

[ArakTaiRoth]

Info

We need new unit tests written per component for the new Angular upgrade.

These tests include using either vitest snapshot testing or manual attribute tests

More Info

The current Angular upgrade work is being done on this branch, everyone should be able to access this and contribute back to it at the same time.

Acceptance Criteria:

1. We have unit tests written for the following
   • Accordion
   • Badge
   • Block
   • Button
   • Button Group
   • Calendar
   • Callout
   • Checkbox
   • Chip
   • Circular Progress
   • Column Layout
   • Container
   • Date Picker
   • Details
   • Divider
   • Dropdown
   • Dropdown Item
   • File Upload Card
   • File Upload Input
   • Footer
   • Footer Meta Section
   • Footer Nav Section
   • Form Item
   • Form Stepper
   • Grid
   • Header
   • Header Menu
   • Hero Banner
   • Hero Banner Actions
   • Icon
   • Icon Button
   • Input
   • Microsite Header
   • Modal
   • Notification Banner
   • Pages
   • Pagination
   • Popover
   • Radio Group
   • Radio Item
   • Side Menu
   • Side Menu Group
   • Side Menu Heading
   • Skeleton
   • Spacer
   • Spinner
   • Tab
   • Table
   • Tabs
   • Textarea
   • Tooltip