@Test
public void removeBlockByUuidFromMetafile() {

    Metafile newMetafile = vufsService.createEmptyMetafile();
    vufsService.addMetafileToMetatable(newMetafile);
    String newBlockUuid = UUID.randomUUID().toString();
    Metafile withNewBlock = vufsService.addBlockByUuidToMetafile(newBlockUuid, newMetafile);
    assertEquals(withNewBlock.getBlockUuidList().size(), 1);
    Metafile withRemove = vufsService.removeBlockByUuidFromMetafile(newBlockUuid, withNewBlock);
    assertFalse(withRemove.getBlockUuidList().contains(newBlockUuid));
}