assertThat(memoryDatabase.getAlbum("album3"), isAlbum("album3", "album1", "album3", "album-description3"))
assertThat(memoryDatabase.getAlbum("album4"), nullValue())
assertThat(memoryDatabase.getImage("image1"), isImage("image1", 1000L, "KSK@image1", "image1", "image-description1", 16, 9))
assertThat(memoryDatabase.getAlbum("album3"), isAlbum("album3", "album1", "album3", "album-description3"))
assertThat(memoryDatabase.getAlbum("album4"), nullValue())
assertThat(memoryDatabase.getImage("image1"), isImage("image1", 1000L, "KSK@image1", "image1", "image-description1", 16, 9))