Need to Correct the placement of @since tag in Php Docs

[shail-mehta]

Description

According to PHP Documentation Standards. need to correct the placement of @since tag in Php Docs in packages/e2e-tests/plugins/class-test-widget.php

@since should add before @param & @return

Step-by-step reproduction instructions

1. Go to packages/e2e-tests/plugins/class-test-widget.php File
2. you will able to see wrong placement of @since tag in php documentation.

Screenshots, screen recording, code snippet

No response

Environment info

No response

Please confirm that you have searched existing issues in the repo.

Yes

Please confirm that you have tested with all plugins deactivated except Gutenberg.

Yes