## Image alternate text * Click on image - balloon toolbar with alternate text change button should appear. * Click on button in toolbar: * balloon toolbar should hide, * alternate image text balloon panel should be visible * there should be `CKEditor logo` text selected inside textarea. * Change the text and press `Ok`. Check if alternate text is changed by opening balloon panel again. * Change the text and press `Cancel`. Check if alternate text is NOT changed by opening balloon panel again.