Verify the functionality of the cols attribute for the TEXTAREA element.
Test for assertion 17.7-4

In this TEXTAREA element, the cols attribute is set to 5. Therefore, the text "12345" shall fit on the first line and the text "67890" shall fit on the second line.

In this TEXTAREA element, the cols attribute is set to 8. Therefore, the text "12345678" shall fit on the first line and the text "90" shall fit on the second line.