@W-16649600 E2E Browser Tests for Do Not Track UI

[jeremy-jung1]

Description

These are the happy path E2E browser tests for the DNT UI in PWA Kit.

Types of Changes

• [ ] Bug fix (non-breaking change that fixes an issue)
• [ ] New feature (non-breaking change that adds functionality)
• [ ] Documentation update
• [ ] Breaking change (could cause existing functionality to not work as expected)
• [ ] Other changes (non-breaking changes that does not fit any of the above)

Breaking changes include:

• Removing a public function or component or prop
• Adding a required argument to a function
• Changing the data type of a function parameter or return value
• Adding a new peer dependency to package.json

Changes

• (change1) Added E2E Tests
• (change2) Set defaultDnt for the app and added a constant DEFAULT_DNT_STATE to constants.js

How to Test-Drive This PR

• (step1) Pull this branch locally
• (step2) export RETAIL_APP_HOME=http://localhost:3000
• (step3) npm run test:e2e:ui and run the tests for dnt.spec.js
• (step4) See all tests pass

Checklists

General

• [ ] Changes are covered by test cases
• [ ] CHANGELOG.md updated with a short description of changes (not required for documentation updates)

Accessibility Compliance

You must check off all items in one of the follow two lists:

• [ ] There are no changes to UI

or...

• [ ] Changes were tested with a Screen Reader (iOS VoiceOver or Android Talkback) and had no issues
• [ ] Changes comply with WCAG 2.0 guidelines levels A and AA
• [ ] Changes to common UI patterns and interactions comply with WAI-ARIA best practices

Localization

• [ ] Changes include a UI text update in the Retail React App (which requires translation)