Added Cypress for E2E testings

[iamdharmesh]

Description of the Change

This PR removes wpacceptance tests and Adds end-to-end testing with Cypress to follow OSBP guide. Test runs automatically on every pull request to the develop branch.

Steps to perform local testing or develop new tests:

• Install dependencies npm install
• Start wp-env local development suite npm run env:start
• Run cypress npm run cypress:run or open developer browser npm run cypress:open

Added Tests:

• Activate the plugin.
• Plugin is enabled for page.
• Change parent pages order.
• Change child pages order.
• Change posts order.

Closes #77

Alternate Designs

n/a

Possible Drawbacks

n/a

Verification Process

GitHub Actions workflow "E2E test", expected to pass the test. Refer to "Description of the Change" for local testing.

Checklist:

• [x] I have read the CONTRIBUTING document.
• [x] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [x] I have added tests to cover my change.
• [x] All new and existing tests passed.

Changelog Entry

Added - Cypress for E2E testings

Credits

Props @iamdharmesh