Test the image_load() function.
function testLoad() {
$image = image_load($this->file, $this->toolkit);
$this
->assertTrue(is_object($image), 'Returned an object.');
$this
->assertEqual($this->toolkit, $image->toolkit, t('Image had toolkit set.'));
$this
->assertToolkitOperationsCalled(array(
'load',
'get_info',
));
}