whenever(core.getAlbum(ArgumentMatchers.anyString())).then { albums[it[0]] }
whenever(core.getImage(ArgumentMatchers.anyString())).then { images[it[0]] }
whenever(core.getImage(ArgumentMatchers.anyString(), ArgumentMatchers.anyBoolean())).then { images[it[0]] }
whenever(core.getAlbum(ArgumentMatchers.anyString())).then { albums[it[0]] }
whenever(core.getImage(ArgumentMatchers.anyString())).then { images[it[0]] }
whenever(core.getImage(ArgumentMatchers.anyString(), ArgumentMatchers.anyBoolean())).then { images[it[0]] }