Test 1: Basic cross-list transfer (drag-list)
List A ()
List B ()
Test 2: Type-isolated independent systems
Tasks
Files
Task Drop Zone (accepts tasks only)
File Drop Zone (accepts files only)
Test 3: Wildcard accept
Test 4: Drag handle
Test 5: Disabled drag/drop
Test 6: Drop max capacity
Max: 2
Test 7: Lifecycle events
Test 8: Low-level drag + drop
Drop here ()
Test 9: Multi-select
Test 10: Drop on empty list
Test 11: Horizontal sort