         let format = sut.hnk_backgroundImageFormat
         cache.set(value: image, key: key, formatName: format.name)
         
-        sut.hnk_setBackgroundImageFromFetcher(fetcher, state: .Normal)
+        sut.hnk_setBackgroundImageFromFetcher(fetcher)
         
         XCTAssertTrue(sut.backgroundImageForState(.Normal)!.isEqualPixelByPixel(image))
         XCTAssertTrue(sut.hnk_backgroundImageFetcher == nil)

        let format = sut.hnk_backgroundImageFormat
        cache.set(value: image, key: key, formatName: format.name)
        
        sut.hnk_setBackgroundImageFromFetcher(fetcher, state: .Normal, failure: {error in
            XCTFail("")
            }){result in
                XCTAssertTrue(result.isEqualPixelByPixel(image))

        let image = UIImage.imageWithColor(UIColor.greenColor())
        let key = self.name
        
        sut.hnk_setBackgroundImage(image, key: key)
        
        XCTAssertNil(sut.backgroundImageForState(.Normal))
        XCTAssertEqual(sut.hnk_backgroundImageFetcher.key, key)
