## I have read the
[CONTRIBUTING.md](https://github.com/supabase/supabase/blob/master/CONTRIBUTING.md)
file.
YES
## What kind of change does this PR introduce?
Chore: test drag and drop on table editor
follow up for https://github.com/supabase/supabase/issues/42655
<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit
* **Tests**
* Added comprehensive end-to-end test for CSV drag-and-drop import
functionality that validates the complete import workflow: drag-drop
detection on empty tables, import dialog display with accurate row
counts, and successful data import to the grid.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
