@Test
public void testGetImageSize() {

  assertNull(uut.getImageSize(PRODUCT_IMAGE_ID));
  uut.setImageMapping(mockedProductKey, PRODUCT_IMAGE_ID, size);
  assertNull(uut.getImageSize(NAME_IMAGE_ID));
  assertEquals(size, uut.getImageSize(PRODUCT_IMAGE_ID));
  uut.setImageMapping(mockedProductKey, PRODUCT_IMAGE_ID_LARGE, sizeLarge);
  assertNull(uut.getImageSize(NAME_IMAGE_ID));
  assertNotEquals(sizeLarge, uut.getImageSize(PRODUCT_IMAGE_ID));
  assertEquals(size, uut.getImageSize(PRODUCT_IMAGE_ID));
}