The first time the function is called,
it could fail to set the flags.

Calling setSelectByKeyboard(true) would not actually
set the text interaction flags (was == on).

The test didn't detect it because it called setReadOnly
before setSelectByKeyboard.

Change-Id: Ia54cc782b6ad5a74f1d7029c92fa230116d034b0
Reviewed-by: J-P Nurmi <jpnurmi@digia.com>