removed unused variable
changed uppercases to lowercases
added @desc annotation in the PHPDocs
made BaseScraper::getTemplateValues() public method for testing reasons but also since it is a getter - why to make a getter not public?
first tests for main method BaseScraper::getTemplateValues
added failing use case for BaseScraper::getTemplateValues()
fixed the code failing in unit tests
added test for ArtistScraper::getAlbumPic() and checked how the file name is generated