public function testCanUpdateTransformationFlag()
{
$this->assertFalse($this->image->hasBeenTransformed());
$this->assertSame($this->image, $this->image->hasBeenTransformed(true));
$this->assertTrue($this->image->hasBeenTransformed());
$this->assertSame($this->image, $this->image->hasBeenTransformed(false));
$this->assertFalse($this->image->hasBeenTransformed());
}