1. Drag a file (one that your browser cannot open natively, such as an executable file) from your system file manager over the orange square.
2. An alert may appear - release the mouse over a blank part of the page, not the dialog. Dismiss it (you may need to use keyboard or mouse gestures such as gesture-down,gesture-right). If it does not appear, release the drag and accept any prompt to upload the file.
3. If a file download dialog appears, cancel it and return to this page.
4. Fail if the alert reappears.
5. The mouse cursor may continue to show that a drag is in operation. If so, attempt to select some of this text with the mouse before continuing to the text step.
6. Fail if the mouse continues to show that a drag is in operation.
7. Try to select some text in this sentence. Fail if it is not possible.