assertThat(memoryDatabase.getImage("image1"),
isImage("image1", 1000L, "KSK@image1", "image1",
"image-description1", 16, 9));
assertThat(memoryDatabase.getImage("image1"),
isImage("image1", 1000L, "KSK@image1", "image1",
"image-description1", 16, 9));