Add some comments to the drag_to_reorder_with_autoscroll test

pkg/integration/tests/interactive_rebase/drag_to_reorder_with_autoscroll.go

@@ -19,14 +19,18 @@ var DragToReorderWithAutoscroll = NewIntegrationTest(NewIntegrationTestArgs{
 			TopLines(
 				Contains("commit-40").IsSelected(),
 			).
+			// Click and hold the first commit
 			ClickAndHold(1, 0).
+			// Move the mouse to the bottom of the panel to trigger autoscroll
 			MouseMoveToBottom(1).
+			// Verify that the view scrolls
 			OriginYAtLeast(3).
 			MouseRelease().
 			SelectedLines(
 				Contains("commit-40"),
 			).
 			SelectedLineIdxAtLeast(3).
+			// Scroll back to verify that the original commit is no longer at the top
 			GotoTop().
 			TopLines(
 				Contains("commit-39").IsSelected(),