Testcase gnome desktop background

Description

This test case tests selection of a desktop background within theGNOME desktop.

Launch the Background preferences applet: you can find it by activating the Overview and typing 'background' into the search box
Select an image from the list
Check whether the selected image is applied as the desktop background
Select an image from the list which is a size that does not match the resolution of your display
Select different options in the drop-down menu which allows you to select how non-matching sized images are applied (this option will only be available for images outside the "Wallpapers" section)
Check to see if these options are correctly applied
Return to the applet, and change the background type drop-down menu to Colors & Gradients
Select a solid color
Check whether the selected color is applied as the desktop background
Select a gradient, and select two colors for it
Check whether the selected gradient is applied as the desktop background

When you select an image, color or gradient it should immediately be applied as the desktop background
Images with a size different from your display's resolution should be adjusted according to the option selected